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.
- 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.
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:
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: