Consider the following scenario:
- You create a global address list (GAL)-related client-only message rule by using Microsoft Outlook in a Microsoft Exchange Server 2010 environment.
- You experience the issue that is described in Microsoft Knowledge Base (KB) article 2543850. When this issue occurs, the client-only message rule is not applied.
- To resolve the issue, you apply Update Rollup 1 (RU1) for Exchange Server 2010 Service Pack 2 (SP2) on the Exchange servers in the environment.