Information Store Corrupt Backup (Full Version)

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trevorc -> Information Store Corrupt Backup (16.Jul.2007 6:14:50 AM)

Hi, I have an Exchange 2K running on a Win2K Server which is also a DC, GC, DNS and WINS.
 
When i run a backup of the Information Store using the Windows Backup utility, i get the errors with Event ID: 478 & 8012. Basically, in the event log, it tells me that the .stm file is corrupt & that this backup cannot be restored.
 
I tried several possiblities of which I ran ESEUTIL and ISINTEG but i still received this error after a backup. I therefore moved all the mailboxes onto another (slower) Exchange Server and deleted the .edb & .stm file and then moved back the mailboxes but once again i started receiving this error!!
 
I do not wish to leave the mailboxes on the slow Exchange Server but i do not feel comfortable moving them to the faster Server knowing that a backup is not being done well.
 
What else can i do? Should i try uninstalling Exchange and installing it again? Or maybe Uninstall Exchange, demote the server, format it and then reinstall everything?...this is a hack of a job tho! [:(]
 
Below are the errors i receive:
 
 
Event Type: Error
Event Source: ESE
Event Category: Logging/Recovery
Event ID: 478
Date:  15-Jul-07
Time:  11:31:22 PM
User:  N/A
Computer: MAIL1
Description:
Information Store (3404) The streaming page read from the file "N:\Exchsrvr\TSL_Storage\TSL_Storage.stm" at offset 6782976 (0x0000000000678000) for 1108 (0x00000454) bytes failed verification due to a page checksum mismatch.  The expected checksum was 3201555365 (0xbed3dba5) and the actual checksum was 3198152133 (0xbe9fedc5).  The read operation will fail with error -613 (0xfffffd9b).  If this condition persists then please restore the database from a previous backup.
For more information, click http://www.microsoft.com/contentredirect.asp.

----------
 
Event Type: Error
Event Source: NTBackup
Event Category: None
Event ID: 8012
Date:  15-Jul-07
Time:  11:31:24 PM
User:  N/A
Computer: MAIL1
Description:
The 'Microsoft Information Store' returned 'Error returned from an ESE function call (d).
' from a call to 'HrESEBackupClose()' additional data '-'



ismail.mohammed -> RE: Information Store Corrupt Backup (16.Jul.2007 6:28:34 AM)

hi,

Rebuilding the whole server is not a good option at this point.
> Try to disable any third party applicaiton like disclaimer and anitivirus.
> If you create a new storage group how is the behaviour.
> when you said u ran esetuil command which are the command you have ran like offline defragmentation?



trevorc -> RE: Information Store Corrupt Backup (16.Jul.2007 7:09:03 AM)

Hi, Thank you for the quick response. I ran the following commands in this order:
 
1. eseutil /p
2. eseutil /d
3. Isinteg -fix -test alltests
 
As a 3rd party application, all i have running is TrendMicro antivirus. You think it may have something to do with it? It has been running for over a year and it is also running on the other Exchange server without any (known) problems.
 
When i re-created the storage group and ran backup, the backup resulted correct but as soon as i moved back 1 mailbox and ran the backup, the error appeared again! I also recreated it in a different folder (on the same disks).



ismail.mohammed -> RE: Information Store Corrupt Backup (16.Jul.2007 7:23:50 AM)

hi,

do you have proper update of the store.exe
pls check this link : http://support.microsoft.com/kb/836488

Run exbpa and exdra (www.exbpa.com)

Third run eseutil /g on the database to check for any orphaned or corrupted.
http://technet.microsoft.com/en-us/library/aa998351.aspx



trevorc -> RE: Information Store Corrupt Backup (16.Jul.2007 12:13:21 PM)

i installed the store.exe update, ran an eseutil /g and later an eseutil /p and it seems to have fixed the problem.
 
thanks a lot for you help...i will let you know if it gives me any more problems [;)]



ismail.mohammed -> RE: Information Store Corrupt Backup (16.Jul.2007 4:57:04 PM)

hi, after running eseutil /p you need to run eseutil /d and isinteg -fix



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