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The Exchange RPC Client Access service crashes when you send an email message in an Exchange Server 2010 environment

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Symptoms

Assume that you use a MAPI client such as Outlook 2003 in online mode in a Microsoft Exchange Server 2010 environment. When you send an email message, the Microsoft Exchange RPC Client Access service might crash on the Exchange Server 2010 Client Access server. Additionally, the following log is logged in the Application log:

Note When the issue occurs, Outlook users in the domain are disconnected from the Exchange server.

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Cause

This issue occurs because the RPC Client Access service does not validate the recipient data before the service processes the data.  Therefore, when the recipient data that is stored in an invalid format is processed, a System.ArgumentException exception occurs, and then the service crashes.

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Resolution

To resolve this issue, install the following update rollup:
2645995 Description of Update Rollup 1 for Exchange Server 2010 Service Pack 2

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseinter, kb

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Article Info
Article ID : 2599663
Revision : 1
Created on : 1/7/2017
Published on : 2/13/2012
Exists online : False
Views : 339