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A memory leak occurs in the Exchange RPC Client Access service on Exchange Server 2010 servers

SYMPTOMS
A memory leak occurs in the Microsoft Exchange RPC Client Access service on Microsoft Exchange Server 2010 servers. When the memory leak occurs, the "\Process(Microsoft.Exchange.RpcClientAccess.Service)\Private Bytes" performance counter keeps increasing. In this situation, the memory leak causes memory pressure on all the servers. For example, the RPC Client Access service on the Mailbox server causes memory pressure on the Microsoft Exchange Information Store service. This memory pressure reduces the effectiveness of the Information Store caching. Therefore, the performance of the Mailbox server decreases.

Note This memory leak is more rapid when an Exchange Server 2010 server is used with BlackBerry Enterprise Server (BES).
RESOLUTION
To resolve this issue, install the following update rollup:
2529939 Description of Update Rollup 3 for Exchange Server 2010 Service Pack 1
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
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Article ID: 2458543 - Last Review: 04/06/2011 19:32:00 - Revision: 2.0

Microsoft Exchange Server 2010 Service Pack 1

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