Article ID: 2624899 - Last Review: April 30, 2012 - Revision: 5.0

FIX: You can't close the EMC window when Internet Explorer 9 is installed

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SYMPTOMS

When you start the Exchange Management Console (EMC) on a computer that has Internet Explorer 9 installed, make a change, and then try to close the EMC window, the window doesn't close. You also receive the following message: 
You must close all dialog boxes before you can close Exchange Management Console.

However, you can't find any open dialog boxes for Exchange Management Console.
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RESOLUTION

Security update information

To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, go to the following Microsoft website:
http://update.microsoft.com (http://update.microsoft.com)
For technical information about the most recent cumulative security update for Internet Explorer, go to the following Microsoft website:
http://www.microsoft.com/technet/security/current.aspx (http://www.microsoft.com/technet/security/current.aspx)
Note This update was first included in security update 2618444. For more information about security update 2618444, go to the following article in the Security TechCenter:
Microsoft Security Bulletin MS11-099 - Important (http://technet.microsoft.com/en-us/security/bulletin/ms11-099)
(http://technet.microsoft.com/en-us/security/bulletin/ms11-099])
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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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Advanced information

The Exchange Management Console checks for visible windows in its process before the console closes. This problem occurs because the hidden window of Internet Explorer 9 is considered one of Exchange Management Console's visible windows. For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: 
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
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APPLIES TO
  • Windows Internet Explorer 9
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Keywords: 
kbqfe kbhotfixserver kbfix kbexpertiseinter kbsurveynew kbbug KB2624899
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