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Event ID 1 is logged on the Exchange Server 2010 Client Access server in a mixed Exchange Server 2010 and Exchange Server 2003 environment

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You have a mixed Microsoft Exchange Server 2010 and Exchange Server 2003 environment.
  • The Exchange Server 2010 server has Update Rollup 3 for Exchange Server 2010 Service Pack 2 (SP2) installed.
  • An Exchange Server 2003 user creates a new Microsoft Outlook profile or runs the Test E-mail AutoConfiguration tool in Microsoft Office Outlook 2007 or Microsoft Outlook 2010.

    Note To run the Test E-mail AutoConfiguration tool, hold down the Ctrl key, right-click the Outlook icon in the notification area on the right side of the taskbar, and then click Test E-mail AutoConfiguration.
In this scenario, the following event is logged in the Application log on the Exchange Server 2010 Client Access server:
Source: MSExchange Autodiscover 
Event ID: 1
Task Category: Web 
Level: Error
Description: Unhandled Exception "User setting 'PreferredSite' is not available."

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Cause

This issue occurs because the Exchange Server 2010 Client Access server does not calculate the PreferredSite value appropriately for the Autodiscover service request from the Exchange Server 2003 user.

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Resolution

To resolve this issue, install the following update rollup:
2785908 Description of Update Rollup 5 version 2 for Exchange Server 2010 Service Pack 2

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Status

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

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More Information

For more information about Update Rollup 3 for Exchange Server 2010 SP2, click the following article number to view the article in the Microsoft Knowledge Base:
2685289 Description of Update Rollup 3 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 : 2733415
Revision : 1
Created on : 1/7/2017
Published on : 12/14/2012
Exists online : False
Views : 264