Exchange ActiveSync experienced a transient error when it tried to access Active Directory information for user “%1”. Exchange ActiveSync will try this operation again. If this event occurs infrequently, no user action is required. If this event occurs frequently, check network connectivity using PING or PingPath. You can also use the Test-ActiveSyncConnectivity cmdlet. More information: %2

Details
Product: Exchange
Event ID: 1015
Source: MSExchange ActiveSync
Version: 8.0
Symbolic Name: ActiveDirectoryTransientError
Message: Exchange ActiveSync experienced a transient error when it tried to access Active Directory information for user “%1”. Exchange ActiveSync will try this operation again. If this event occurs infrequently, no user action is required. If this event occurs frequently, check network connectivity using PING or PingPath. You can also use the Test-ActiveSyncConnectivity cmdlet. More information: %2
   
Explanation

This Error event indicates that Exchange ActiveSync is temporarily unable to detect the user’s properties in the Active Directory® directory service that are required to perform synchronization. This may be caused by a network connectivity issue between the computer that is running the Client Access server role and a domain controller.

   
User Action

To resolve this error, consider the following:

  • If this event occurs infrequently, no user action is required.

  • If this event frequently occurs, do one or more of the following:

    • Check network connectivity between the Client Access server and domain controllers. Use the Ping or PathPing command-line tools to test basic connectivity. Use Ping to isolate network hardware problems and incompatible configurations. Use PathPing to detect packet loss over multiple-hop trips. For more information, see Microsoft Knowledge Base article 325487, How to troubleshoot network connectivity problems.

    • Use the test-ActiveSyncConnectivity task. For information about how to use this command, see test-ActiveSyncConnectivity in the Microsoft® Exchange Server 2007 Help file.

    • Verify that the user specified in the event description has a valid user account.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.

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