Snapshot Provider

Select the snapshot provider for the selected clients:

Use Veritas Volume Snapshot Provider (VSP)

This option specifies that Veritas VSP be used as the snapshot provider. VSP is required for Windows 2000 clients and can also be used on 6.x Windows 2003 clients.
Use Microsoft Volume Shadow Copy Service (VSS)

This option specifies that Microsoft VSS be used to create volume snapshots of volumes and logical drives for the selected clients.

In 7.0, Microsoft VSS should be selected for all Windows clients, as VSP is not available. VSS is available for all supported Windows clients, XP SP2 and later.

Configure VSS through the Microsoft VSS configuration dialog boxes.

For information about performing Active Directory granular restores when using VSS, see the following topic:

See Perform consistency check before backup when using Microsoft Volume Shadow Copy Service snapshot provider.

See Backlevel and upgraded clients that use Windows Open File Backup.

Backlevel and upgraded clients that use Windows Open File Backup

Table: Snapshot Provider behavior for clients in a 7.0 environment shows the expected Open File Backup behavior based on the client version and the Snapshot Provider setting.

Table: Snapshot Provider behavior for clients in a 7.0 environment

Client version	Snapshot Provider setting	Behavior
6.x	Veritas VSP (6.5 default setting)	Veritas VSP is used for Open File Backup.
6.x	Veritas VSP	Veritas VSP is used for Open File Backup.
6.x	Windows VSS	Windows VSS is used for Open File Backup.
7.0	Windows VSS (7.0 default setting)	Note that using VSS for Open File Backup is a new default behavior in 7.0.
7.0	Veritas VSP	Even if Veritas VSP is indicated, Windows VSS is used for Open File Backup. For upgraded clients: For 6.x clients that used VSP and have been upgraded to 7.0: VSP settings are ignored and VSS snapshots are automatically implemented. For 6.x VSS users: You no longer need to create a Client Attribute entry to enable VSS. VSS is the only snapshot provider available to the NetBackup 7.0 Windows client.
7.0	Windows VSS	Windows VSS is used for Open File Backup.

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