MSExchange Autodiscover 1109

 

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

1109

Category

Core

Symbolic Name

WarnCoreProviderReflectionTypeLoadException

Message Text

Error "%1" while loading assembly "%2".%nStack Trace:%3. This event is logged when the loader that Autodiscover is using to load an assembly or DLL has failed because the loader may not be valid.

Explanation

This warning event indicates that an error occurred when the Microsoft Exchange Autodiscover service was trying to load an assembly on the Microsoft Exchange Client Access server.

This event is logged when the loader that Autodiscover is using to load an assembly or DLL has failed because the loader could be invalid. More information about the event is captured in a stack trace.

User Action

To resolve this warning, do the following:

  • Review Microsoft Exchange Autodiscover events in the Application event log for information about the cause of this issue.

  • Contact Microsoft technical support with the stack trace for the event. Go to the Exchange Server Solutions Center page at the Microsoft Support Web site. From the Exchange Server Solutions Center page, click Assisted Support Options and use one of the assisted support options to contact a Microsoft Support professional.

For more information about the Autodiscover service, see Managing the Autodiscover Service.

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.