MSExchange ADAccess 2054

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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

2054

Category

Cache

Symbolic Name

DSC_EVENT_LK_ALLOC_FAIL

Message Text

Process %1 (PID=%2). A cache hash table that stores DSAccess information ran out of memory. This event can be caused by 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 there is insufficient memory to expand the hash table to add new DSAccess information. 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 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.