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Exchange 2010 try to backup 2 DB'S

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We have one Exchange 2010 installed on 2008 R2 (64) with two Databases for the Mailbox.

I can backup all Mailboxes and the first created Database (fullbackup), but for the second DB Retrospect gets allways an error.

Retrospect Client omn 200R2 is 77114

Retrospect Server is 7.7.562


Backup type: Full

T-9: MapError: unknown Windows error -1.017

Trouble reading files, error -1004 ( Database Backup/Restore error)


any suggestions ?

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  • 5 months later...
  • 4 weeks later...

Finally solved my issue. Looks like a previous IT person created a scheduled task on the Exchange server that would generate a Windows Backup VHD copy of the entire server each evening at around the same time I scheduled the Retrospect. This backup would tie up the VSS for quite some time and trigger the -1017 errors. Just disabled the backup job and all is well.

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