asked on

Cannot Mount Databases

Hey Guys,
All of a sudden in our exchange server, after creating a mailbox, some users couldn't connect to their mailboxes, and then after restarting the server, all databases are dismounted...

When I try to mount them i get this

--------------------------------------------------------
Microsoft Exchange Error
--------------------------------------------------------
Failed to mount database 'Mailbox Database'.

Mailbox Database
Failed
Error:
Exchange is unable to mount the database that you specified. Specified database: ExchangeServer\First Storage Group\Mailbox Database; Error code: MapiExceptionJetErrorReadVerifyFailure: Unable to mount database. (hr=0x80004005, ec=-1018)
.

--------------------------------------------------------
OK
--------------------------------------------------------

Please help.

Shivtek

ASKER

The first error log I see in Application logs:

Event Type:      Error
Event Source:      ESE
Event Category:      Database Page Cache
Event ID:      474
Date:            11/22/2009
Time:            7:07:45 PM
User:            N/A
Computer:      ExchangeServer
Description:
MSExchangeIS (2948) First Storage Group: The database page read from the file "D:\Program Files\Microsoft\Exchange Server\Mailbox\First Storage Group\Mailbox Database.edb" at offset 35342573568 (0x000000083a94e000) (database page 4314278 (0x41D4A6)) for 8192 (0x00002000) bytes failed verification due to a page checksum mismatch. The expected checksum was 82754908802885845 (0x01260126ae9da8d5) and the actual checksum was 134828572536559403 (0x01df01df539d572b). The read operation will fail with error -1018 (0xfffffc06). If this condition persists then please restore the database from a previous backup. This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem.

For more information, click http://www.microsoft.com/contentredirect.asp.

Milan_Ojh

Hi check the both below mentioned questions it may help you out.....

https://www.experts-exchange.com/questions/24430428/Cannot-mount-mailbox-database.html?sfQueryTermInfo=1+databas+fail+mailbox+mount

https://www.experts-exchange.com/questions/23523911/Mailbox-database-failed-to-mount.html?sfQueryTermInfo=1+databas+fail+mailbox+mount

Shivtek

ASKER

Currently the database is in dirty shutdown condition, I have one which is clean shutdown, and that has the same error message.

Shivtek

ASKER

Have repaired the database... Still getting the same message.

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farazhkhan

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SOLUTION

Manpreet SIngh Khatra

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Manpreet SIngh Khatra

You can go to the site
www.exbpa.com and install and run EXBPA for any related errors or wrong configuration issues noted if any and EXTRA for diskbottle neck or any hardware issues .....
Mostly its like 80+% Hardware issues and about 10% database issues

Shivtek

ASKER

I cannot mount a clean shutdown database either...

Shivtek

ASKER

After the esutil /p
I got:
""Operation terminated with error -1018 (JET_errReadVerifyFailure, Checksum error
on a database page) after 1361.562 seconds."

Manpreet SIngh Khatra

WOW -1018 surely mean corruption problems .... looks like the DB has some corruption that could not be removed at all so its not repaired successfully so it wont mount even if its Clean that what you have checked for the .edb what about the .stm ??

Shivtek

ASKER

So even if I do a exchange reinstall in the recoveryswitch it wont mount that database?

Manpreet SIngh Khatra

Nopes nothing can as your database was not Repaired successfully .......... did you check the health of the .stm file (Clean or Dirty Shutdown) ??