MSExchange ADAccess 2053

 

This article provides an explanation and possible resolutions for a specific Exchange event. If you don't find what you’re looking for here, try searching Exchange 2010 Help.

Details

Product Name

Exchange

Product Version

14.0

Event ID

2053

Category

Cache

Symbolic Name

DSC_EVENT_LK_UNUSABLE

Message Text

Process %1 (PID=%2). Internal error - A hash table that stores DSAccess information is damaged and cannot be used. This event may be caused because of internal memory issues. You may be able to resolve this event by restarting the Microsoft Exchange Active Directory Topology service. If the error persists, restart the Exchange server that logged this event.

Explanation

This Error event indicates that a hash table that stores DSAccess information is damaged and cannot be used. A hash table stores frequently accessed and fast-changing information in the memory cache. The records are added and deleted dynamically to maintain optimal memory use. This event may be logged during one or more of the following operations:

  • When a new record is added

  • When an existing record is deleted

  • When a specific record is searched for

This event may be caused by internal memory issues.

User Action

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

  • Restart the Microsoft Exchange Active Directory Topology service. If the error persists, restart the Exchange server that logged this event.

  • Review the System log for hardware issues.

For More Information

If you are not already doing so, consider running the Exchange tools, which have been created to help you analyze and troubleshoot your Exchange environment. These tools can help make sure that your configuration aligns with Microsoft best practices. They can also help you identify and resolve performance issues and improve mail flow. To run these tools, go to the Toolbox node of the Exchange Management Console. To learn more about these tools, see Managing Tools in the Toolbox.