Article ID: 2494389 - View products that this article applies to.
Consider the following scenario:
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.
Log Name: Application
Source: MSExchange Control Panel
Event ID: 38
Task Category: General
Computer: <computer name>
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:
This issue occurs because of a logic error when the Exchange Control Panel verifies the canary.
To resolve this issue, install the following update rollup:
(https://support.microsoft.com/kb/2529939/ )Description of Update Rollup 3 for Exchange Server 2010 Service Pack 1
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to use the Test-EcpConnectivity cmdlet, visit the following Microsoft website:
Article ID: 2494389 - Last Review: April 6, 2011 - Revision: 2.0