RPC clients or MAPI on the Middle Tier clients may not receive responses from the mailbox server role on an Exchange 2010 server

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Article ID: 981664 - View products that this article applies to.
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SYMPTOMS

Under a heavy email workload environment, when users try to connect to their mailboxes on a Microsoft Exchange Server 2010 Hub Transport server by using a RPC client or by using a MAPI on the Middle Tier (MoMT) client (such as Microsoft Outlook, for example), the client may not receive responses from the mailbox server role. Additionally, there are lots of email messages that are stuck in delivery queues.

RESOLUTION

To resolve this problem, install Update Rollup 3 for Exchange 2010.
For more information about Update Rollup 3 for Exchange 2010, click the following article number to view the article in the Microsoft Knowledge Base:
981401 Description of Update Rollup 3 for Exchange Server 2010

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Properties

Article ID: 981664 - Last Review: October 6, 2011 - Revision: 3.0
APPLIES TO
  • Microsoft Exchange Server 2010 Enterprise
  • Microsoft Exchange Server 2010 Standard
Keywords: 
kbexpertiseinter kbfix kbhotfixrollup kbqfe kbsurveynew KB981664

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