Is your website showing the error 543 the origin web server is not available? We can fix it for you.
These days, most websites use CDN aka Content Delivery Network to speed up page loading time.
However, when there is a problem with the communication between the CDN and the original server, it reports 543 errors.
As part of our Server Management Services, we deal with such realtime website errors.
Today, we’ll see how we resolve the error 543 the origin web server is not available.
Where do we see the 543 error?
Let’s now check the typical scenario where the 543 error shows up.
A CDN helps to speed up websites. This CDN serves the content from the webserver to the users.
However, if for any reason there are connection problems between CDN and the host server, it ends up in an error.
What causes the error 543 the origin web server is not available
Moving on, let’s see the reason for the 543 error on the website.
Usually, the error happens when the CDN proxy receives too many 5xx errors from the origin. So it displays a gateway error. In other words, any sort of error in the server that holds the web contents causes the 543 error.
In some cases, the Apache or Nginx web server may not be running. This also leads to the website errors.
Moreover, connection errors or even the DNS failures can interrupt the traffic between the CDN and the origin server.
How we fix the error 543 the origin web server is not available
We’ll now take a look at how our Support Engineers fixed the 543 error for the customer.
The customer was running CDN along with his Nginx server.
To debug the problem, we first checked the status of the web server using the command:
ps ax | grep nginxThe results showed that there was no problem with the Nginx web server.
Further, we checked the Nginx server logs. This helped us to find the kind of 5xx error returned from the website.
2020/02/13 22:14:20 [error] 4282#4282: *102272 openat() "/xxxx/Packages/nginx/html/setup.cgi" failed (2: No such file or directory), client: xx.yy.xx.yy, server: _, request: "GET /setup.cgi?next_file=xxx"
2020/02/13 23:13:48 [error] 4281#4281: *105065 openat() "/xxxx/Packages/nginx/html/shell" failed (2: No such file or directory),This indicated a problem with the Nginx configuration. Therefore, we corrected the configuration and restored the missing files to fix the error.
Additionally, we added the CDN full IP addresses to the server firewall whitelist. Finally, the website started working again.
[Constantly seeing the error 543 on your website? Get help from the experts!]
Conclusion
To sum up, the error 543 the origin web server is not available happens due to problems between the CDN server and the host server. Today, we saw how our Dedicated Engineers fixed the error and made the website working.
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Error: Code 543 — Error 543 occurs when attempting to save a tax return data file, usually because the location you want to save to is not available, for example a network or a removable drive.
How to fix the Runtime Code 543 TurboTax Error 543
This article features error number Code 543, commonly known as TurboTax Error 543 described as Error 543 occurs when attempting to save a tax return data file, usually because the location you want to save to is not available, for example a network or a removable drive.
About Runtime Code 543
Runtime Code 543 happens when TurboTax fails or crashes whilst it’s running, hence its name. It doesn’t necessarily mean that the code was corrupt in some way, but just that it did not work during its run-time. This kind of error will appear as an annoying notification on your screen unless handled and corrected. Here are symptoms, causes and ways to troubleshoot the problem.
Definitions (Beta)
Here we list some definitions for the words contained in your error, in an attempt to help you understand your problem. This is a work in progress, so sometimes we might define the word incorrectly, so feel free to skip this section!
- Drive — Use this tag for questions related to physical disk drives
- File — A block of arbitrary information, or resource for storing information, accessible by the string-based name or path
- Location — Location is a specific position in physical space, e.g a point on the surface of the Earth described using latitude and longitude coordinates
- Return — A return statement causes execution to leave the current subroutine and resume at the point in the code immediately after where the subroutine was called, known as its return address
- Save — To store data in a computer or on a storage device.
- Tax — a financial charge or other levy imposed upon a taxpayer an individual or legal entity by a state or the functional equivalent of a state to fund various public expenditures.
- Network — For most programming questions use [network-programming] tag
Symptoms of Code 543 — TurboTax Error 543
Runtime errors happen without warning. The error message can come up the screen anytime TurboTax is run. In fact, the error message or some other dialogue box can come up again and again if not addressed early on.
There may be instances of files deletion or new files appearing. Though this symptom is largely due to virus infection, it can be attributed as a symptom for runtime error, as virus infection is one of the causes for runtime error. User may also experience a sudden drop in internet connection speed, yet again, this is not always the case.
(For illustrative purposes only)
Causes of TurboTax Error 543 — Code 543
During software design, programmers code anticipating the occurrence of errors. However, there are no perfect designs, as errors can be expected even with the best program design. Glitches can happen during runtime if a certain error is not experienced and addressed during design and testing.
Runtime errors are generally caused by incompatible programs running at the same time. It may also occur because of memory problem, a bad graphics driver or virus infection. Whatever the case may be, the problem must be resolved immediately to avoid further problems. Here are ways to remedy the error.
Repair Methods
Runtime errors may be annoying and persistent, but it is not totally hopeless, repairs are available. Here are ways to do it.
If a repair method works for you, please click the upvote button to the left of the answer, this will let other users know which repair method is currently working the best.
Please note: Neither ErrorVault.com nor it’s writers claim responsibility for the results of the actions taken from employing any of the repair methods listed on this page — you complete these steps at your own risk.
Method 1 — Close Conflicting Programs
When you get a runtime error, keep in mind that it is happening due to programs that are conflicting with each other. The first thing you can do to resolve the problem is to stop these conflicting programs.
- Open Task Manager by clicking Ctrl-Alt-Del at the same time. This will let you see the list of programs currently running.
- Go to the Processes tab and stop the programs one by one by highlighting each program and clicking the End Process buttom.
- You will need to observe if the error message will reoccur each time you stop a process.
- Once you get to identify which program is causing the error, you may go ahead with the next troubleshooting step, reinstalling the application.
Method 2 — Update / Reinstall Conflicting Programs
Using Control Panel
- For Windows 7, click the Start Button, then click Control panel, then Uninstall a program
- For Windows 8, click the Start Button, then scroll down and click More Settings, then click Control panel > Uninstall a program.
- For Windows 10, just type Control Panel on the search box and click the result, then click Uninstall a program
- Once inside Programs and Features, click the problem program and click Update or Uninstall.
- If you chose to update, then you will just need to follow the prompt to complete the process, however if you chose to Uninstall, you will follow the prompt to uninstall and then re-download or use the application’s installation disk to reinstall the program.
Using Other Methods
- For Windows 7, you may find the list of all installed programs when you click Start and scroll your mouse over the list that appear on the tab. You may see on that list utility for uninstalling the program. You may go ahead and uninstall using utilities available in this tab.
- For Windows 10, you may click Start, then Settings, then choose Apps.
- Scroll down to see the list of Apps and features installed in your computer.
- Click the Program which is causing the runtime error, then you may choose to uninstall or click Advanced options to reset the application.
Method 3 — Update your Virus protection program or download and install the latest Windows Update
Virus infection causing runtime error on your computer must immediately be prevented, quarantined or deleted. Make sure you update your virus program and run a thorough scan of the computer or, run Windows update so you can get the latest virus definition and fix.
Method 4 — Re-install Runtime Libraries
You might be getting the error because of an update, like the MS Visual C++ package which might not be installed properly or completely. What you can do then is to uninstall the current package and install a fresh copy.
- Uninstall the package by going to Programs and Features, find and highlight the Microsoft Visual C++ Redistributable Package.
- Click Uninstall on top of the list, and when it is done, reboot your computer.
- Download the latest redistributable package from Microsoft then install it.
Method 5 — Run Disk Cleanup
You might also be experiencing runtime error because of a very low free space on your computer.
- You should consider backing up your files and freeing up space on your hard drive
- You can also clear your cache and reboot your computer
- You can also run Disk Cleanup, open your explorer window and right click your main directory (this is usually C: )
- Click Properties and then click Disk Cleanup
Method 6 — Reinstall Your Graphics Driver
If the error is related to a bad graphics driver, then you may do the following:
- Open your Device Manager, locate the graphics driver
- Right click the video card driver then click uninstall, then restart your computer
Method 7 — IE related Runtime Error
If the error you are getting is related to the Internet Explorer, you may do the following:
- Reset your browser.
- For Windows 7, you may click Start, go to Control Panel, then click Internet Options on the left side. Then you can click Advanced tab then click the Reset button.
- For Windows 8 and 10, you may click search and type Internet Options, then go to Advanced tab and click Reset.
- Disable script debugging and error notifications.
- On the same Internet Options window, you may go to Advanced tab and look for Disable script debugging
- Put a check mark on the radio button
- At the same time, uncheck the «Display a Notification about every Script Error» item and then click Apply and OK, then reboot your computer.
If these quick fixes do not work, you can always backup files and run repair reinstall on your computer. However, you can do that later when the solutions listed here did not do the job.
Other languages:
Wie beheben Fehler 543 (TurboTax-Fehler 543) — Fehler 543 tritt auf, wenn versucht wird, eine Steuererklärungsdatendatei zu speichern, normalerweise weil der Speicherort, an dem Sie speichern möchten, nicht verfügbar ist, z.B. ein Netzwerk oder ein Wechseldatenträger.
Come fissare Errore 543 (Errore TurboTax 543) — L’errore 543 si verifica quando si tenta di salvare un file di dati di dichiarazione dei redditi, in genere perché la posizione in cui si desidera salvare non è disponibile, ad esempio una rete o un’unità rimovibile.
Hoe maak je Fout 543 (TurboTax-fout 543) — Fout 543 treedt op wanneer u probeert een bestand met belastingaangiftegegevens op te slaan, meestal omdat de locatie waarnaar u wilt opslaan niet beschikbaar is, bijvoorbeeld een netwerk of een verwisselbare schijf.
Comment réparer Erreur 543 (Erreur ImpôtRapide 543) — L’erreur 543 se produit lors de la tentative d’enregistrement d’un fichier de données de déclaration de revenus, généralement parce que l’emplacement dans lequel vous souhaitez enregistrer n’est pas disponible, par exemple un réseau ou un lecteur amovible.
어떻게 고치는 지 오류 543 (터보택스 오류 543) — 오류 543은 세금 환급 데이터 파일을 저장하려고 할 때 발생합니다. 일반적으로 네트워크나 이동식 드라이브와 같이 저장하려는 위치를 사용할 수 없기 때문입니다.
Como corrigir o Erro 543 (Erro TurboTax 543) — O erro 543 ocorre ao tentar salvar um arquivo de dados de declaração de imposto de renda, geralmente porque o local em que você deseja salvar não está disponível, por exemplo, uma rede ou uma unidade removível.
Hur man åtgärdar Fel 543 (TurboTax Error 543) — Fel 543 uppstår när du försöker spara en deklarationsdatafil, vanligtvis eftersom platsen du vill spara till inte är tillgänglig, till exempel ett nätverk eller en flyttbar enhet.
Как исправить Ошибка 543 (Ошибка TurboTax 543) — Ошибка 543 возникает при попытке сохранить файл данных налоговой декларации, обычно из-за того, что место, в которое вы хотите сохранить данные, недоступно, например сеть или съемный диск.
Jak naprawić Błąd 543 (Błąd TurboTax 543) — Błąd 543 występuje podczas próby zapisania pliku danych zeznania podatkowego, zwykle dlatego, że lokalizacja, w której chcesz zapisać, jest niedostępna, na przykład sieć lub dysk wymienny.
Cómo arreglar Error 543 (Error 543 de TurboTax) — El error 543 ocurre cuando se intenta guardar un archivo de datos de declaración de impuestos, generalmente porque la ubicación en la que desea guardar no está disponible, por ejemplo, una red o una unidad extraíble.
About The Author: Phil Hart has been a Microsoft Community Contributor since 2010. With a current point score over 100,000, they’ve contributed more than 3000 answers in the Microsoft Support forums and have created almost 200 new help articles in the Technet Wiki.
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Microsoft & Windows® logos are registered trademarks of Microsoft. Disclaimer: ErrorVault.com is not affiliated with Microsoft, nor does it claim such affiliation. This page may contain definitions from https://stackoverflow.com/tags under the CC-BY-SA license. The information on this page is provided for informational purposes only. © Copyright 2018
 |
Номер ошибки: | Ошибка 543 |
| Название ошибки: | TurboTax Error 543 | |
| Описание ошибки: | Error 543 occurs when attempting to save a tax return data file, usually because the location you want to save to is not available, for example a network or a removable drive. | |
| Разработчик: | Intuit Inc. | |
| Программное обеспечение: | TurboTax | |
| Относится к: | Windows XP, Vista, 7, 8, 10, 11 |
Описание «TurboTax Error 543»
«TurboTax Error 543» — это стандартная ошибка времени выполнения. Разработчики тратят много времени и усилий на написание кода, чтобы убедиться, что TurboTax стабилен до продажи продукта. Поскольку разработчики программного обеспечения пытаются предотвратить это, некоторые незначительные ошибки, такие как ошибка 543, возможно, не были найдены на этом этапе.
Пользователи TurboTax могут столкнуться с ошибкой 543, вызванной нормальным использованием приложения, которое также может читать как «Error 543 occurs when attempting to save a tax return data file, usually because the location you want to save to is not available, for example a network or a removable drive.». Когда это происходит, конечные пользователи могут сообщить Intuit Inc. о наличии ошибок «TurboTax Error 543». Затем Intuit Inc. нужно будет исправить эти ошибки в главном исходном коде и предоставить модифицированную версию для загрузки. Таким образом, в этих случаях разработчик выпустит обновление программы TurboTax, чтобы исправить отображаемое сообщение об ошибке (и другие сообщенные проблемы).
Что вызывает ошибку 543 во время выполнения?
Сбой во время выполнения TurboTax, как правило, когда вы столкнетесь с «TurboTax Error 543» в качестве ошибки во время выполнения. Проанализируем некоторые из наиболее распространенных причин ошибок ошибки 543 во время выполнения:
Ошибка 543 Crash — это распространенная ошибка 543 во время выполнения ошибки, которая приводит к полному завершению работы программы. Эти ошибки обычно возникают, когда входы TurboTax не могут быть правильно обработаны, или они смущены тем, что должно быть выведено.
«TurboTax Error 543» Утечка памяти — Ошибка 543 утечка памяти происходит и предоставляет TurboTax в качестве виновника, перетаскивая производительность вашего ПК. Это может быть вызвано неправильной конфигурацией программного обеспечения Intuit Inc. или когда одна команда запускает цикл, который не может быть завершен.
Ошибка 543 Logic Error — Компьютерная система создает неверную информацию или дает другой результат, даже если входные данные являются точными. Это происходит, когда исходный код Intuit Inc. вызывает недостаток в обработке информации.
TurboTax Error 543 проблемы часто являются результатом отсутствия, удаления или случайного перемещения файла из исходного места установки TurboTax. Для устранения неполадок, связанных с файлом Intuit Inc., большинство профессионалов ПК заменят файл на соответствующую версию. Помимо прочего, в качестве общей меры по профилактике и очистке мы рекомендуем использовать очиститель реестра для очистки любых недопустимых записей файлов, расширений файлов Intuit Inc. или разделов реестра, что позволит предотвратить появление связанных с ними сообщений об ошибках.
Распространенные проблемы TurboTax Error 543
Частичный список ошибок TurboTax Error 543 TurboTax:
- «Ошибка в приложении: TurboTax Error 543»
- «Недопустимая программа Win32: TurboTax Error 543»
- «Возникла ошибка в приложении TurboTax Error 543. Приложение будет закрыто. Приносим извинения за неудобства.»
- «TurboTax Error 543 не может быть найден. «
- «TurboTax Error 543 не может быть найден. «
- «Ошибка запуска программы: TurboTax Error 543.»
- «Файл TurboTax Error 543 не запущен.»
- «TurboTax Error 543 остановлен. «
- «Ошибка пути программного обеспечения: TurboTax Error 543. «
Обычно ошибки TurboTax Error 543 с TurboTax возникают во время запуска или завершения работы, в то время как программы, связанные с TurboTax Error 543, выполняются, или редко во время последовательности обновления ОС. Запись ошибок TurboTax Error 543 внутри TurboTax имеет решающее значение для обнаружения неисправностей электронной Windows и ретрансляции обратно в Intuit Inc. для параметров ремонта.
Эпицентры TurboTax Error 543 Головные боли
Заражение вредоносными программами, недопустимые записи реестра TurboTax или отсутствующие или поврежденные файлы TurboTax Error 543 могут создать эти ошибки TurboTax Error 543.
В частности, проблемы TurboTax Error 543 возникают через:
- Поврежденные ключи реестра Windows, связанные с TurboTax Error 543 / TurboTax.
- Вирус или вредоносное ПО, повреждающее TurboTax Error 543.
- Другая программа злонамеренно или по ошибке удалила файлы, связанные с TurboTax Error 543.
- Другое приложение, конфликтующее с TurboTax Error 543 или другими общими ссылками.
- TurboTax (TurboTax Error 543) поврежден во время загрузки или установки.
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Summary:
A dismounted or offline Exchange database may fail to mount and display an error message such as unable to mount database (HR=0x80004005, EC=-543). This may happen due to database inconsistency caused by the unexpected shutdown, server crash, database corruption, etc. In such a case, users can’t connect to their mailbox stored in the dismounted database on the Exchange server. This can disrupt communication and lead to a loss of productivity. Thus, in this blog, we mentioned steps to help you resolve the database mount error code HR=0x80004005, EC=-543, and restore mailboxes.
The error, “MapiExceptionJetErrorRequiredLogFilesMissing: Unable to mount database. (hr=0x80004005, ec=-543)” often appears when an Exchange administrator tries to mount a dismounted or offline mailbox database (EDB) file on the Exchange server by using Mount-Database cmdlets.
At first, when you look at the error message, it indicates a problem that occurred due to missing log files. However, there could be several reasons, as mentioned below, that may cause unable to mount database error with error code “-543”.
- Exchange database file, i.e. EDB or STM file corruption
- The database file is in use or locked by another program, such as an antivirus
- The database is in Dirty Shutdown state
- Missing or corrupt logs
Usually, the error -543 unable to mount database is a result of EDB file corruption, dirty shutdown, or missing log files.
Steps to Resolve Exchange Database Mount Error -543
Below we have discussed steps that can help you resolve ‘Unable to mount database. (hr=0x80004005, ec=-543)’ error and mount the database on the server. We have also discussed a method to restore mailboxes, when Exchange tools fail to fix the database mount error, by using an Exchange recovery software, such as Stellar Repair for Exchange. The software repairs corrupt or inconsistent database files (EDB), extracts mailboxes, and restores them to live Exchange directly. You can also save the extracted mailboxes to PST and import them manually on your Exchange server.
Step 1: Check and Stop Other Programs
Before mounting the database file, ensure that the EDB or STM file is not in use by another program, such as antivirus software. If the database file is in use and locked by antivirus software while scanning, the error ‘Unable to mount database. (hr=0x80004005, ec=-543)’ may appear while mounting the database in the Exchange Management Shell (EMS).
You can add an exception in the antivirus software for Exchange database and log files to avoid such error instances or stop the antivirus for a while. Similarly, you can also check and close other utilities that may have access to the database files that you’re trying to mount.
Step 2: Restore Database from Backup
If the database file still fails to mount and error hr=0x80004005, ec=-543 is displayed, you can simply restore the database file from the last backup. If the backup is old and does not contain recent data, follow the next steps to resolve the error and mount the database file.
Step 3: Move Log Files to a Different Location
By moving current log files, which may be damaged or corrupt, you can recreate missing log files automatically. This may help you fix the problem and mount the database without any error. The steps are as follows,
- Navigate to the folder location where database log files are stored
- Create a new folder with any name
- Now move all the log files from the current log folder to this new folder
- Restart server. This will automatically recreate new log files and restore the missing log files
Step 4: Ensure Clean Shutdown State Before Mounting
Before mounting an offline or dismounted Exchange database file, you should always check the shutdown state of the database, whether it’s Clean or Dirty. To find if the database is in a dirty state, open Command Prompt (CMD) and enter the following command,
Eseutil /mh<Path to EDB File>
If the output displays ‘Dirty Shutdown’, you must bring the database to the Clean Shutdown state. This can be done by using the following command,
Eseutil /r “prefix”<E00> /l <log file location> /d <database location>
After executing the above command, again verify the state of the database by using the following command in CMD,
Eseutil /mh<Path to EDB File>
If you see Clean Shutdown in the output, go ahead and mount the database by using the Mount-Database cmdlet in EMS. In case of any error, while running these commands, you can choose to perform advanced recovery methods to recover the database.
Step 5: Perform Soft Recovery
Soft recovery is performed when the database or log files are corrupt or damaged and can’t be brought to a clean shutdown state for mounting. In this, the log files are replayed over the database to commit and update the latest changes saved in log files to the database. This is done manually on the offline database by using the following EseUtil command,
Eseutil /r eNN /L [log files path] /s [checkpoint file path] /d [database path] /i
For instance,
Eseutil /r E00 /l “C:Program FilesMicrosoftExchange ServerV15MailboxLogs” /d “C:Program FilesMicrosoftExchange ServerV15Mailbox Mailbox Database.edb” /i
After this, check that the database is in a clean state by using the following command,
Eseutil /mh
Step 6: Perform Hard Recovery (Risky)
Hard Recovery is required when Soft Recovery fails. However, it’s a risky method to recover the database as it may cause damage to the database and data loss. Before hard recovery, backup the database and ensure there’s enough free storage space available (equivalent to database size).
The command is as follows,
Eseutil /p <path to database file>
Now check the database state by using the following command,
Eseutil /mh
However, if the database is still in Dirty Shutdown state and doesn’t mount, use Stellar Repair for Exchange to fix the problem with the database. The software will help you extract and save the mailboxes from the corrupt database to your local storage as PST. You can import these PSTs to your Exchange server and restore the user mailboxes. You can also choose ‘Export to Live Exchange’ option to directly export the mailboxes from damaged database files to live Exchange and map mailboxes with user accounts.
Conclusion
The safest way to deal with database mount error, such as unable to mount database (HR=0x80004005, EC=-543), is to restore the database from backup. You may also attempt manual fixes to check and fix the database mount error “-543” when the backup isn’t available. These stepwise fixes are explained in this guide to help you repair database inconsistency, dirty shutdown, and minor corruption. However, the manual steps require time and may lead to data loss. To avoid this and fix the problem, you can use an Exchange recovery software that extracts and restores user mailboxes from corrupt or damaged Exchange database (EDB) files to live Exchange.
About The Author
Ravi Singh
Ravi Singh is a Senior Writer at Stellar®. He is an expert Tech Explainer, IoT enthusiast, and a passionate nerd with over 7 years of experience in technical writing. He writes about Microsoft Exchange, Microsoft 365, Email Migration, Linux, Windows, Mac, DIY Tech, and Smart Home. Ravi spends most of his weekends working with IoT (DIY Smart Home) devices and playing Overwatch. He is also a solo traveler who loves hiking and exploring new trails.
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Oki Error Code 543 can be caused by damage to files of Windows system. Corrupted system file entries can pose a real threat to the well-being of your computer. Several events may have resulted in errors in the system files. Incomplete installation, incomplete uninstallation, incorrect removal of applications or hardware. This can also be caused by recovering your computer after a virus attack, adware / spyware or an improper shutdown of the computer. All of the above assets may result in the removal or corruption of entries in the Windows system files. This corrupted system file will result in missing and incorrectly linked information and the files necessary for the proper functioning of the application.
Symptom of Oki Error Code 543
Oki Error 543 displays on Operators Panel after installing a Printer Cartridge.
Cause of Oki Error Code 543
Things to check on the Print Cartridge before trouble shooting the printer:
Is the blue toner lock lever in the Up / Locked position?
Is the sensor interrupt lever functioning properly?
Read the instruction in the attached file to check both issues.
How to fix easily Oki Error Code 543?
Advanced Computer User Solution (manual update):
- Start your computer and log in as administrator.
- Click the Start button, select All Programs, Accessories, System Tools, and then click System Restore.
- In the new window, select the “Restore my computer to an earlier time” option, and then click Next.
- Select the most recent system recovery point from the “On this list, click a restore point” list, and then click Next.
- Click Next in the confirmation window.
- Restarts the computer when the restore is complete.
Computer User Solution (completely automated):
- Download (Oki Error 543) repair utility.
- Install program and click Scan button.
- Click the Fix Errors button when scan is completed.
- Restart your computer.
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Ошибка 543. Расход 26 литров. Коленвал?
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, хотя смущает ошибка «превышено максимальное значение частоты вращения»… причем появилась эта ошибка после установки начисто прошитого новой ПЗУ…. вот о чем она? 
при умеренном темпе , со скоростью 85-90 , учитывая погрешность 32 тапков
, хотя ровно 3 первых ТО, отбыл у официального диллера….но это уже позади, все восстановил обратно….. а вот диагностику грамотную в Самаре так и не нашел…. не берутся за Евро-2….
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Exchange database can often fail to mount thereby halting the work of all users connected to it. Finding out why database isn’t mounting is crucial and getting the server back online. Stellar Phoenix Mailbox Exchange Recovery is a champion product that can be used to fix all Exchange mounting errors
One of the most common occurrences troubling an Exchange database is the “unable to mount database” (HR=0x80004005, EC=-543) error. When this error arises, users can do little except look for ways to resolve it since all their server related activity stays halted until the database can be mounted.
The right fix to an error can be found only if the right cause for it can be pinpointed. And when it comes to finding the cause for an error, the numerical codes associated with them can provide critical information. In this post, we’re trying to resolve the “unable to mount database” error with the error code “-543”.
Reasons behind the error
Generally, Exchange mounting errors can be the result of varied causes like:
- Failure of internal Exchange operations
- Lock on the EDB file since it is being used by another program on the server
- Dirty Shutdown state of the database
- Missing transaction log files
- EDB file corruption
However, researches across various technical forums suggest that the primary triggers of Exchange mounting error -543 include dirty shutdown state, missing transaction log files, or EDB file corruption.
Resolving Exchange Mounting Error -543
After conducting discussions with Exchange administrators across various organizations, we have compiled a list of the most used solutions to fix this error. Try them out one after the other to resolve the issue. But remember to take a backup of your EDB and STM files in their current state before starting with any of the fixes. Also, proceed to the next fix only if the previous one fails.
1. Quit all programs that might be using the EDB file
Check the automated backup software and anti-virus applications installed on the server and verify that they are not holding a lock on the EDB and STM files. If these database files are being blocked by some background processes, they can cause Exchange database to fail to mount. Unlock the files using third-party file unlocking utilities.
2. Restore database from backup or by replaying log files
This method however cannot be used if a recent relevant backup isn’t available or if some critical log files have been corrupted.
3. Move all log files to a different location
Create a new folder and move all log files to it. This will cause the database to automatically create new log files thereby overriding faulty ones and recreating missing ones.
4. Run Soft Recovery
Restoring the database from backup or from log files is the best way to fix errors within it. Thus, find out what state the database is in by running the following command:
eseutil /mh "Database file"
If the database is in “dirty shutdown” state, try a soft recovery on it using the following command:
eseutil /r "prefix"<E00> /l <log file location> /d <database location>
5. Create Recovery Database and Restore to it
To use this method, you should have the know-how of Exchange Management Shell. Here are the steps:
a. Use the following command in shell to create the recovery database:
New-MailboxDatabase -Recovery -Name RDB -Server “servername” -EdbFilePath "path" -LogFolderPath "path”
b. Select the Database to be restored from the “Backup Exec Restore” job properties
c. Go to Microsoft Exchange Redirection and select Redirect Exchange Sets.
d. Go to Microsoft Exchange and select Default options
e. Run the restore
f. Once the restore is successfully completed data from a RDB can be merged to an existing mailbox or exported to a folder
6. Hard Repair the Database (Risky Method)
Please note that this method should only be used as a “last resort” since it carries the risk of data loss. This method attempts to repair corrupted pages within the Exchange database, but discards the pages that cannot be repaired.
a. Run a hard repair on the database by running the command:
eseutil /p "Database file"
b. Thereafter, defragment the database. Offline defragmentation creates a new physical database structure and moves the existing data to that structure. Use the command:
eseutil /d “Database file”
c. Lastly, check the consistency of the database. You may need to run Isinteg several times until the summary report returns no errors. Use the command:
Isinteg -fix
Repair Database files using Third-party Software
If you have tried all of the above solutions to no avail, the only way you can get the Exchange database back online is by using reliable third-party software. We recommend Stellar Phoenix Mailbox Exchange Recovery. This product is laced with powerful algorithms that enable it to scan even the most severely corrupted EDB files and repair them to facilitate the recovery of all mailbox data. In situations of crisis, this tool can be your last ray of hope.
To sum it up
When faced with database mounting problems, the safest resolution if restoring database using a relevant backup. If that’s not available, avoid going with risky manual fixes and stick to using Stellar Phoenix Mailbox Exchange Recovery as suggested.
Oki Data CONFIDENTIAL
(14-1) Error caused by the consumable items.
Check item
(14-1-1) Consumable items installation condition
ID unit and toner
Check that the ID unit is installed in the normal
cartridge
position. Check that the lock lever of the toner
cartridge is locked.
(14-2) Error caused by the toner sensor
Check item
(14-2-1) Toner sensor condition
Toner sensor
Is the receptor of the toner sensor stained?
Toner sensor
Confirm that the toner sensor works normally by
using the SWITCH SCAN function of the self-
diagnostic mode.
Place a white paper in front of the toner sensor,
and check if the SCAN state changes or not.
Note! Toner sensor operation check method using the SWITCH SCAN function of
the self-diagnostic mode.
45762101TH Rev.1
Check operation
Actions for NG
results
Correct the
installation
to the normal
installation
condition.
Check operation
Actions for NG
results
Wipe off the stain
from the toner
sensor.
Replace the toner
sensor board,
CU/PU board, or
FFC that is located
between the toner
sensor board and
the CU/PU board.
(1) How to check operation of the toner sensor at the printer side.
1.
Status change of the toner sensor can be checked from the Operator Panel
using the self-diagnostic mode. First, switch the display to the Operator Panel
display. For the method of switching the display to the Operator Panel display,
refer to section 3.4.2.3 Switch Scan Test
2.
Remove the ID unit and the toner cartridge (TC) from a printer. There is a
window inside a printer opposing the ID side when viewed from the front of
a printer. The toner sensor is located inside the window.
3.
Place a white paper 3 mm away from the sensor window. The white paper
should be placed in the manner of opposing the toner sensor.
4.
When light is reflected by a white paper so that incident light falls on the
toner sensor, the Operator Panel display shows «L». When the paper is
moved so that any light is not reflected by the paper so that the incident light
does not reach the toner sensor, «H» is displayed on the Operator Panel.
5.
If the Operator Panel display toggles between «H» <-> «L» as a paper is
flipped in front of the toner sensor, it indicates that the toner sensor and the
related system of the printer are working normally.
Action to be taken at NG
•
Clean surface of the toner sensor to remove the stains due to residual toner
and paper dust.
•
Check the connection state between the CU/PU board and the toner sensor
board (97T) that are connected with the FFC cable.
•
Check it once again, and if no change has found in the state, replace the CU/
PU board or the toner sensor board (97T).
(2) How to check operation of the toner sensor at the toner cartridge (TC) side
1.
To the position where the toner sensor is confirmed to be operating normally
in the printer itself by the above paragraph (1), install the TC and the ID unit
to check operations by observing display on the Operator Panel.
2.
If the ID unit works normally, the display on the Operator Panel will toggle
between «H» <-> «L» in synchronism with movement of the silver reflector
plate that is located on the side of the ID.
Action to be taken at NG
•
Check operation condition of the respective ID motors by using the Motor &
Clutch Test of the self-diagnostic mode.
•
Clean surface of the silver reflector plate on the side of ID to remove stains.
(Stain due to toner or paper dust)
•
Replace the TC of different color and the ID unit as a pair.
If a satisfactory operation is attained by using the a pair of TC of different
color and the ID unit, replace the TC or replace the ID unit.
2. TROUBLESHOOTING PROCEDURES
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