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First published on TECHNET on May 12, 2009

This is a list of MSDN doc updates from Diane

Significant updates:

1.       Several new interfaces and other API elements were added for Windows 7 and Windows Server 2008 R2. For more information, see “What's New in VSS in Windows Server 2008 R2 and Windows 7” ( http://msdn.microsoft.com/en-us/library/dd433621.aspx ).

2.       In “Using Tracing Tools with VSS” ( http://msdn.microsoft.com/en-us/library/dd765233.aspx ),  information about the VssTrace tool was added.

3.       In “Volume Shadow Copy Service” ( http://msdn.microsoft.com/en-us/library/bb968832.aspx ), a download link for the beta Windows 7 SDK was added.

4.       A new topic, “Using Tracing Tools with ASR Applications” ( http://msdn.microsoft.com/en-us/library/bb986749.aspx ), was added.

5.       The failover clustering VSS writer is now documented in “Backing Up and Restoring the Failover Cluster Configuration Using VSS” ( http://msdn.microsoft.com/en-us/library/dd264602.aspx ).

6.       The Hyper-V VSS writer is now documented in “Backing Up and Restoring Virtual Machines” ( http://msdn.microsoft.com/en-us/library/dd405549.aspx ).

7.       In "Registry Keys for Backup and Restore” ( http://msdn.microsoft.com/en-us/library/bb891959.aspx ), the DisableMonitoring registry key was added, and the reference information for the FilesNotToBackup key was significantly expanded.

8.       In “VShadow Tool and Sample” ( http://msdn.microsoft.com/en-us/library/bb530725.aspx ), information about the new LUN resync command-line options was added.

9.       VSS_COMPONENT_FLAGS ( http://msdn.microsoft.com/en-us/library/aa384681.aspx ) was updated to mention that the VSS_CF_BACKUP_RECOVERY and VSS_CF_APP_ROLLBACK_RECOVERY can be used with transportable shadow copies beginning with Windows Server 2008.

Corrections and minor updates:

1.       “Overview of Pre-Backup Tasks” ( http://msdn.microsoft.com/en-us/library/aa384588.aspx ) was corrected to indicate that VSS requesters, not writers, call PrepareForBackup .

2. IVssDifferentialSoftwareSnapshotMgmt::ChangeDiffAreaMaximumSize ( http://msdn.microsoft.com/en-us/library/aa383980.aspx ) was updated to mention that if the llMaximumDiffSpace parameter is -1, the maximum diff area size is unlimited.

3.       In IVssBackupComponents::BackupComplete ( http://msdn.microsoft.com/en-us/library/aa382651.aspx ), the following sentence was added: "Do not call this method if the call to IVssBackupComponents::DoSnapshotSet failed."

4.       A table of return values was added to IVssBackupComponentsEx2::BreakSnapshotSetEx ( http://msdn.microsoft.com/en-us/library/aa382194.aspx ).

5.       In IVSSBackupComponentEx3::RecoverSet ( http://msdn.microsoft.com/en-us/library/dd405575.aspx ), VSS_E_ BAD_STATE was added to the list of return values.

6.       In IVssBackupComponentsEx3::AddSnapshotToRecoverySet ( http://msdn.microsoft.com/en-us/library/dd405571.aspx ), the descriptions for the VSS_E_SNAPSHOT_NOT_IN_SET and VSS_E_VOLUME_NOT_SUPPORTED return codes were updated.

7.       A sentence about session identifiers was added to CVssWriterEx2::GetSessionId ( http://msdn.microsoft.com/en-us/library/dd405546.aspx ) and IVssBackupComponentsEx3::GetSessionId ( http://msdn.microsoft.com/en-us/library/dd405572.aspx ).

8.       In "Registry Backup and Restore Operations Under VSS" ( http://msdn.microsoft.com/en-us/library/aa384595.aspx ), information about Windows XP was clarified.

9.       "Required Behaviors for Shadow Copy Providers” ( http://msdn.microsoft.com/en-us/library/aa384600.aspx ) was clarified to indicate that hardware shadow copy LUNs must be read/write.

10.   In IVssBackupComponents::AddToSnapshotSet ( http://msdn.microsoft.com/en-us/library/aa382650.aspx ), the first sentence in the Remarks section was corrected to read, "The maximum number of shadow copied volumes in a single shadow copy set is 64." (Previously it said "shadow copies," not "shadow copied volumes.")