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RPC Client Access Cross-Site connectivity issues occur in an Exchange Server 2010 environmentArticle ID: 2671128 - View products that this article applies to. On This PageSYMPTOMSYou experience one of the following RPC Client Access Cross-Site connectivity issues in a Microsoft Exchange Server 2010 environment. Issue 1Assume that you move mailboxes from a database to another database that is in a different datacenter. However, the Microsoft Outlook profile on the target RPC Client Access endpoint is not updated unless the source RPC Client Access endpoint is unavailable.Issue 2Assume that a cross-site database failover event occurs. In this situation, Outlook does not set up a direct connection from the Client Access Servers (CAS) array in the first datacenter to the mailbox that hosts the active copy in the second datacenter.CAUSEThese issues occur because RPC Client Access now connects directly to the destination mailbox store. Additionally, the Outlook client ignores information from the Autodiscover component when an endpoint is reachable. RESOLUTIONTo resolve these issues, install the following cumulative update: 2685289
(http://support.microsoft.com/kb/2685289/
)
Description of Update Rollup 3 for Exchange Server 2010 Service Pack 2 MORE INFORMATIONFor more information about RPC Client Access, go to the following Microsoft website: General information about RPC Client Access
(http://technet.microsoft.com/en-us/library/ee332317.aspx)
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