You cannot connect to an Exchange Server 2010 mailbox simultaneously by using Outlook Anywhere from several Windows XP-based computers

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Article ID: 2431500 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You deploy several Microsoft Exchange Server 2010 Client Access servers in an Exchange Server 2010 environment.
  • You configure load balancing on the Client Access servers by using source IP affinity.
  • You use Outlook Anywhere to connect to a mailbox from a Windows XP-based computer.
  • You try to connect to the mailbox simultaneously by using Outlook Anywhere from another Windows XP-based computer.
In this scenario, you cannot connect to the mailbox from the second Windows XP-based computer.

RESOLUTION

To resolve this issue, install the following update rollup:
2425179 Description of Update Rollup 2 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

For more information about load balancing in Exchange Server 2010, visit the following Microsoft website:
General information about load balancing in Exchange Server 2010
For more information about Outlook Anywhere, visit the following Microsoft website:
General information about Outlook Anywhere

Properties

Article ID: 2431500 - Last Review: December 14, 2010 - Revision: 1.0
APPLIES TO
  • Microsoft Exchange Server 2010 Service Pack 1, when used with:
    • Microsoft Exchange Server 2010 Enterprise
    • Microsoft Exchange Server 2010 Standard
Keywords: 
kbqfe kbfix kbhotfixrollup kbsurveynew kbexpertiseinter KB2431500

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