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Error 0xe0008488 - VFF open failure

Konstantine
Level 3
We have BE 11d 7170 (all patches up to 23) doing GRT backup of Exhange 2007 (64-bit). It was working fine, but suddenly the job started to fail with error 0xe0008488. Here's a snippet from the job log:
 
The consistency check of the snapshot for the Microsoft Exchange transaction log Logs was successful.
The consistency check of the snapshot for the Microsoft Exchange database Public Folder Database was successful.
Unable to complete the operation for the selected resource using the specified options for the following reason: VFF Open Failure.  This can be caused by low memory or disk resources.
 
Same backup job completes successfully when GRT is disabled. I looked up threads on this forum regarding the issue, but couldn't find a solution. I deleted and re-created B2D folder, rebooted media server, checked disk space on media server and on Exchange, checked that VFF driver is running. Eventually I ran the job under debugger and here's what it shows:
 
[7840] 10/25/07 16:13:07 2007/10/25 : 1607.42 000 G:\Mailbox backup\IMG000095\Public Folder Database.edb ==>
  G:\Mailbox backup\IMG000095\vdb_2007_10_25_1607_42\Public Folder Database.edb.delta
  G:\Mailbox backup\IMG000095\vdb_2007_10_25_1607_42\Public Folder Database.edb
[1072] 10/25/07 16:13:07
FilterAttach Unknown error: 801F0014
[1072] 10/25/07 16:13:07
Session aborted prematurely (1)
[7840] 10/25/07 16:23:07
Timeout waiting for thread to start up
[7840] 10/25/07 16:23:07
Error Aborting OpenVirt
[7840] 10/25/07 16:23:07
SetEvent failed, lastError = 00000006
[7840] 10/25/07 16:23:07 OpenVirt FAILED, but didn't say why!
[7840] 10/25/07 16:23:07 Using EDB Provider for Browse/Backup.
[7840] 10/25/07 16:23:07 Logon: m_lpMAPISession->Logon returned 80004005
[7840] 10/25/07 16:23:07  FILTER DRIVER OPEN SESSION FAILED: Unspecified error
[7840] 10/25/07 16:23:07 MB2_Chgdir:Logon returned e000fea9
[7840] 10/25/07 16:23:07 TF xfer time = 617 seconds.
 
How can I fix it?
 
4 REPLIES 4

dweb
Level 2
Partner
Hello,
 
Am getting the same error in what sounds like an almost identical environment.  Just curious if you made any progress.  FYI we are backing up a local Exchange 2007 and a remote Exchange 2003 sp2 machine.  The errors are only occurring on the Exchange 2007 backup (whihc is of course 64 bit) 
 
David

Konstantine
Level 3
No, no progress. I installed latest hofixes (25, 26, 27), but that didn't help. Exchange backup without GRT works fine, though, and that's what we're doing.

dweb
Level 2
Partner
Thanks for the update.  Sorry you have not had any progress.  Likewise on this end.
We continue to do "classic" Information store backups as well as GRT.  Don't quite fully trust the GRT backups yet.

vmaar
Not applicable