Availability Service Errors and Events
Applies to: Exchange Server 2010 SP3
Microsoft Exchange Server 2010 Availability generates events in Event Viewer so that you can troubleshoot and verify the performance of the Exchange Availability features and services. Event Viewer tracks the following kinds of events in the given order, based on importance:
Error events
Warning events
Informational events
Exchange Availability Service Errors and Events
The following table provides a list of the Availability events that you can use to troubleshoot and monitor the Availability service.
Availability Service events
Event ID | Category | Event type | Logging | Value or description | Class |
---|---|---|---|---|---|
Availability Service |
Error |
LogAlways |
Process %1: An exception occurred while attempting to locate a Client Access server to handle a request for e-mail address %2. The returned exception is %3. |
Availability |
|
Availability Service |
Error |
LogAlways |
Process %1: %2 failed. Exception returned is %3. This event may occur when Availability Service cannot discover an Availability Service in the remote forest. |
Availability |
|
Availability Service |
Error |
LogAlways |
Process %1: No Client Access server was found to handle a request for e-mail address %2. This may be due to a misconfigured topology. |
Availability |
|
Availability Service Authentication |
Error |
LogAlways |
Process %1: Request from %2 failed security checks. |
Availability |
|
Availability Service |
Error |
LogAlways |
Process %1: %2 failed. The exception returned is %3. The Availability service could not successfully retrieve Schedule+ free/busy data for one or more legacy Exchange mailboxes. To find the root cause of this error, increase the diagnostic logging level of the MSExchange Availability service. |
Availability |
|
Availability Service |
Error |
LogAlways |
Process %1: Failed to initialize service, exception returned is %2 |
Availability |
|
Availability Service |
Error |
LogAlways |
Process %1: %2 failed. Caller SIDs: %3. The exception returned is %4. Make sure that the Active Directory site/forest that contain the user's mailbox has at least one local Exchange 2010 server running the Availability service. Turn up logging for the Availability service and test basic network connectivity. |
Availability |
|
Availability Service |
Warning |
LogAlways |
Process %1: Configuration information for the current forest could not be found in Active Directory. To find the root cause of this error, increase the diagnostic logging level of the MSExchange Availability service. |
Availability |
|
Availability Service |
Error |
LogAlways |
Process %1: Unable to logon as network service context for proxying requests. Cross-site and cross-forests requests could fail because of this. Exception is %2. |
Availability |
|
Availability Service Configuration |
Error |
LogAlways |
Process %1: Cross-forest proxy request to %2 could not be initiated due to invalid credentials. Specific error is: %3 |
Availability |
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