By default, users can recall a message when they double-click a stub. However, you can disable this option.
Procedure
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On the client where the agent is located, disable user impersonation by adding the DisableDoubleclickRecall additional setting as shown in the following table. For instructions about adding the additional setting from the CommCell Console, see Adding or Modifying Additional Settings from the CommCell Console. Property Value Name Category iDataAgent\CVExMetadata Type Integer Value 1 
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Run an archiving job. Recalling messages by double-clicking the stub is disabled.