Microsoft KB Archive/924262

= Exchange VSS backup is failing =

Article ID: 924262

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition

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Source: Microsoft Support

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SYMPTOMS
Customer's Exchange VSS Snapshot backup is failing.

ERROR MESSAGE (If applicable):

Event ID    : 211 Source      : SnapDrive Type        : Error Generated   : 3/2/2006 12:00:37 AM Message      : Unable to create a snapshot. Error message : ZAPI: An attempt to create snapshot '{f583cb88-8da1-4f50-879f-f28a79ebca9f}' of the 'vol2_exchlogs' volume with 'async' option 'true' failed on the filer 192.168.85.123. Error code: 135. Error description: No more snapshots available..

Event ID    : 219 Source      : SnapDrive Type        : Warning Generated   : 3/2/2006 12:00:37 AM Message      : Failed to create a consistent snapshot({f583cb88-8da1-4f50-879f-f28a79ebca9f}) of one or more virtual disk(s). Please review event log for more information.

Event ID    : 12293 Source      : VSS Type        : Error Generated   : 3/2/2006 12:00:37 AM Message      : Volume Shadow Copy Service error: Error calling a routine on the Shadow Copy Provider {ddd3d232-a96f-4ac5-8f7b-250fd91fd102}. Routine details CommitSnapshots({f583cb88-8da1-4f50-879f-f28a79ebca9f}) [hr = 0xc0040307].

Event ID    : 4354 Source      : Navssprv Type        : Error Generated   : 3/2/2006 12:00:37 AM Message      : NetApp VSS hardware provider failed in CommitSnapshots method [SnapshotSetId={f583cb88-8da1-4f50-879f-f28a79ebca9f}]. SnapDrive failed to create snapshot. Please check SnapDrive event logs. The data is the error code.

Event ID    : 4356 Source      : Navssprv Type        : Error Generated   : 3/2/2006 12:00:37 AM Message      : NetApp VSS hardware provider's AbortSnapshot method is called [SnapshotSetId={f583cb88-8da1-4f50-879f-f28a79ebca9f}]. VSS has failed the current shadow copy session because the previous errors are not continuable.

Event ID    : 202 Source      : SnapManager for Exchange Type        : Error Generated   : 3/2/2006 12:00:40 AM Message      : SnapManager VSS backup operation failed. Error in calling VSS API: Error code = 0x8004230f Error description: VSS_E_UNEXPECTED_PROVIDER_ERROR (Error Code: 0x8004230f)

When we run the command: vssadmin list writers >c:\vsswriters.txt, we see an error with the Exchange writer:

Writer name: 'Microsoft Exchange Writer' Writer Id: {76fe1ac4-15f7-4bcd-987e-8e1acb462fb7} Writer Instance Id: {814dcf94-5194-46d3-9623-cdd3fad6654b} State: [9] Failed Last error: No error

ENVIRONMENT:

Exchange Server 2003 Service Pack 1

Winows Server 2003 Service Pack 1

NetApp SnapManager for Exchange



CAUSE
Customer exceeded the maximum number of Snapshot copies per volume.



RESOLUTION
We deleted a Snapshot copy and this allowed us to continue with our present backup.



MORE INFORMATION
As per NetApp documentation, we can store up to 255 Snapshot copies per volume.

http://www.netapp.com/products/software/snapshot.html



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