Thanks Gordon,

I rebooted and was able to take a full online backup that reported as successful.  I 
may have traced the problem to bad Ram and am investigating.

-Steve



> -----Original Message-----
> From: Morrison, Gordon [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, March 30, 2004 8:39 AM
> To: Exchange Discussions
> Subject: RE: ESE event ID 478
> 
> 
> Post-SP3 rollup for E2k is supposed to fix this, if it is the 
> same problem I have seen on some of our servers.  I have 
> found that a reboot or two will give you temporary respite 
> from the error and allow you to get a backup, but you will 
> eventually get this logged again and your backups will fail.  
> 
> While Post sp3 rollup does fix this, it modifies the 
> relationship between users and resource mailboxes in the name 
> of enhanced security, which can be a pain to rectify.
> 
> /Gordon
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf 
> Of Stephen
> Grant
> Sent: Tuesday, March 30, 2004 8:35 AM
> To: Exchange Discussions
> Subject: ESE event ID 478
> 
> 
> Hello,
> 
> Exchange 2000 / W2K server / Veritas BU Exec 9.1-Exchange
> 
> This morning I went to check on the progress of the Veritas 
> Backup and got a nasty error message.
> 
> --------
> Backup - \\FSNACORP\Microsoft Information Store\First Storage 
> Group Access denied to database Mailbox Store (FSNACORP).
> Database or database element is corrupt
> --------
> 
> As instructed by the Veritas site I checked the Event viewer 
> and found:
> 
> --------
> Event ID:478 Source: ESE
> Information Store (4004) The streaming page read from the 
> file "D:\Program Files\Exchsrvr\mdbdata\priv1.stm" at offset 
> 1267851264 (0x000000004b91e000) for 2445 (0x0000098d) bytes 
> failed verification due to a page checksum mismatch.  The 
> expected checksum was 2928845483 (0xae92a2ab) and the actual 
> checksum was 3806978948 (0xe2e9e384).  The read operation 
> will fail with error -613 (0xfffffd9b).  If this condition 
> persists then please restore the database from a previous backup. 
> --------
> 
> And the MS knowledgebase explains that I can either restore 
> from a previous backup or run eseutil /p command, and then 
> run the isinteg -fix command on the affected store.  They 
> give warnings that running the above may leave the store unstable.
> I also have to try and figure out what caused the corruption, 
> but I must say, that I never had any problems with E2K in 2 
> years, until I installed BU-Exec.  Coincidence?
> 
> The problem is, my last successful backup was Friday and I 
> have been struggling with BU Exec since I've installed it so 
> I don't really trust that backup as it is.
> 
> Any help would be greatly appreciated.
> 
> Thanks,
> 
> Stephen Grant 
> IT/IM Officer 
> Federal Superannuates National Association 
> 1052 St. Laurent Blvd. 
> Ottawa, ON K1K 3B4 
> tel: (613)745-2559 
> fax: (613)745-5457
> [EMAIL PROTECTED]
> www.fsna.com
> 
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