MSExchange ADAccess 2051
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 |
2051 |
Category |
General |
Symbolic Name |
DSC_EVENT_MAX_PROCS_USED |
Message Text |
Process %1 (PID=%2). The maximum allowed number of processes are using the DSAccess memory cache. No more processes can use the API. Try 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 more than 32 processes have tried to access the DSAccess memory cache. Under ordinary operating conditions, it is uncommon for more than 32 processes to try to access the DSAccess memory cache. This event may occur when one or more processes that use the DSAccess memory cache exit unexpectedly without releasing the memory cache.
User Action
To resolve this error, restart the Microsoft Exchange Active Directory Topology service. If the error persists, restart the Exchange server that logged this event.
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.