With Exchange mailbox agents, you can use retention tags to configure message-level retention based on compliance and retention policies. Retention tags control how long various messages are stored on the Exchange server. Administrators can apply retention tags to entire mailboxes and to individual default folders. Users can apply retention tags to individual message and to any folders that the user created.
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To use Exchange retention tags in conjunction with Exchange mailbox agents, you must import the retention tags into the CommServe database to define message retention on the secondary storage during backup. After the retention tags are imported into the CommServe database, retention is calculated based on an order of precedence. Message-level retention takes precedence over folder-level and Exchange policy retention. For details about configuring subclient-level retention, see Configuring Retention Options for Messages and Stubs in the Mailbox.
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Folder-level retention takes precedence over Exchange policy retention.
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If no retention tags are applied, then Exchange policy retention is calculated.
Before You Begin
Retention tags are supported only for Exchange Server 2010 Service Pack 1 (minimum) or later.
Note: Microsoft Exchange retention tags are not supported for Exchange online mailboxes.