IBM Tivoli Storage Manager for Mail, Data Protection for Microsoft Exchange Server, Version 7.1

Proxy node definitions (VSS backups)

Since Data Protection for Exchange VSS backup operations are implemented through the Tivoli® Storage Manager backup-archive client, you must use node names specifically for VSS operations in addition to using a node name for where Data Protection for Exchange is installed.

As part of the configuration procedure, a proxy relationship is defined for these various node names. By default, this proxy relationship is defined when you run the configuration wizard. You can use this topic for information about manually completing the configuration.

This proxy relationship allows node names to process operations on behalf of another node name. When you register these nodes to the Tivoli Storage Manager server for VSS operations, do not specify the Tivoli Storage ManagerUSerid=NONE parameter. VSS operations fail when this parameter is specified.

There are two types of node names that are defined in proxy node relationships:

Target node: A node name that controls backup and restore operations and that also owns the data on the Tivoli Storage Manager server. This node name is specified in the Data Protection for Exchange dsm.opt file.
Agent node: A node name that processes operations on behalf of a target node. This node name is specified in the Backup-Archive Client dsm.opt file.

These nodes are defined by using the backup-archive client grant proxy command. For example:

GRANT PROXY TARGET=dpexc_node_name AGENT=dsmagent_node_name

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