An exception occurred and was handled by Exchange ActiveSync. This may have been caused by an outdated or corrupted Exchange ActiveSync device partnership. This can occur if a user tries to modify the same item from multiple computers. If this is the case, Exchange ActiveSync will re-create the partnership with the device. Items will be updated at the next synchronization. URL=%1%2.

Details
Product: Exchange
Event ID: 1008
Source: MSExchange ActiveSync
Version: 8.0
Symbolic Name: AirSyncException
Message: An exception occurred and was handled by Exchange ActiveSync. This may have been caused by an outdated or corrupted Exchange ActiveSync device partnership. This can occur if a user tries to modify the same item from multiple computers. If this is the case, Exchange ActiveSync will re-create the partnership with the device. Items will be updated at the next synchronization. URL=%1%2.
   
Explanation

This Warning event indicates that an exception occurred during the Exchange ActiveSync synchronization process. The event description includes details about the root cause of the problem. The following are possible causes of this event:

  • The partnership configuration for this device was created by using computer that is running an earlier version of Microsoft® Exchange. The partnership cannot be used. This problem may occur after you upgrade a computer to Exchange Server 2007. Exchange will update the partnership on the Exchange server. After the partnership is updated, all the data configured for synchronization in the partnership will be resynchronized.

  • The partnership configuration for this device is damaged. Exchange will update the partnership on the Exchange server. After the partnership is updated, all of the data configured for synchronization in the partnership will be resynchronized.

  • A user has accessed the same item from multiple computers or mobile devices. For example, this may occur if a user tries to reply to a message on their mobile device after that device has been deleted on the user’s desktop computer that runs Microsoft Office Outlook® 2007. This will be corrected the next time that the user synchronizes their device..

  • When AirSync calls the ADSystemConfigurationSession.GetDefaultAcceptedDomain method, AirSync tries to read all accepted domains. Then, AirSync filters on the client side for the default domain. If the Exchange Server 2007 organization has more than one thousand accepted domain objects, the Active Directory directory service returns an error. Therefore, AirSync cannot synchronize successfully.

   
User Action

To resolve this warning, do one or more of the following:

  • If this error was caused by an outdated partnership or a damaged partnership, no user action is required. Exchange will re-create a partnership with the mobile device.

  • Make sure that the user has an Exchange mailbox and that the user has been enabled for Exchange ActiveSync. For more information, How to Enable or Disable Exchange ActiveSync for a Mailbox User in the Exchange 2007 Help file.

  • Wait for the Active Directory® directory service replication to occur.

  • To resolve the issue when the Exchange Server 2007 organization has more than one thousand accepted domain objects, install Update Rollup 4 for Exchange Server 2007.

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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