Unnecessary events are logged in the Application log when you run the "Test-EcpConnectivity" cmdlet in an Exchange Server 2010 environment

Article ID: 2494389 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You have a computer that is running Microsoft Exchange Server 2010.
  • You run the Test-EcpConnectivity cmdlet to verify that the Exchange Control Panel is running as expected.
In this scenario, the Exchange Control Panel detects an invalid canary. Additionally, the following unnecessary event is logged in the Application log:
Log Name: Application
Source: MSExchange Control Panel
Date: <date>
Event ID: 38
Task Category: General
Level: Error
Keywords: Classic
User: N/A
Computer: <computer name>
Description:
Current User: 'user name'
Exchange Control Panel detected an invalid canary from request for URL '<URL>'.
Canary in cookie: '<GUID>' mismatch with canary in header/form:
Note The Test-EcpConnectivity cmdlet runs frequently on an Exchange server. Therefore, lots of unnecessary events like the one described in the "Symptoms" section are logged in the Application log.
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CAUSE

This issue occurs because of a logic error when the Exchange Control Panel verifies the canary.
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RESOLUTION

To resolve this issue, install the following update rollup:
2529939
(http://support.microsoft.com/kb/2529939/ )
Description of Update Rollup 3 for Exchange Server 2010 Service Pack 1
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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 how to use the Test-EcpConnectivity cmdlet, visit the following Microsoft website:
http://technet.microsoft.com/en-us/library/dd351282.aspx
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Properties

Article ID: 2494389 - Last Review: April 6, 2011 - Revision: 2.0
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 kbexpertiseinter kbsurveynew KB2494389
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