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Availability Service Errors and Events

Exchange 2010
 

Applies to: Exchange Server 2010 SP3

Topic Last Modified: 2012-04-24

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

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

MSExchange Availability 4018

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

MSExchange Availability 4001

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

MSExchange Availability 4017

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

MSExchange Availability 4010

Availability Service Authentication

Error

LogAlways

Process %1: Request from %2 failed security checks.

Availability

MSExchange Availability 4003

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

MSExchange Availability 4006

Availability Service

Error

LogAlways

Process %1: Failed to initialize service, exception returned is %2

Availability

MSExchange Availability 4002

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

MSExchange Availability 4005

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

MSExchange Availability 4016

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

MSExchange Availability 4012

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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