Applies to: Exchange Server 2010 SP3

Topic Last Modified: 2012-04-24

Microsoft Exchange Server 2010 generates Autodiscover service events in Event Viewer so that you can troubleshoot and verify the performance of the Autodiscover features and services. Event Viewer tracks the following kinds of events in the given order, based on importance:

Autodiscover Errors and Events

The following table provides a list of the UM auto attendant events that you can use to troubleshoot and monitor Unified Messaging.

Autodiscover events

Event ID Category Event type Logging Value or description Class

MSExchange Autodiscover 1111

Core

Warning

LogAlways

Error "%1" while loading assembly "%2".%nStack Trace:%3. The event is logged when Autodiscover is unable to load an assembly because the assembly file does not have appropriate access permissions (executable and read permissions).

Autodiscover

MSExchange Autodiscover 1201

Provider

Warning

LogAlways

Time:%1, Id:%2, Error Response with the ErrCode:"%3", Message:"%4", DebugData:"%5" was generated for EMailAddress:"%6", LegacyDN:"%7" by "%8".

Autodiscover

MSExchange Autodiscover 1112

Core

Warning

LogAlways

Error "%1" while loading assembly "%2".%nStack Trace:%3. The event is logged when Autodiscover is unable to find an assembly or DLL that Autodiscover is trying to reference.

Autodiscover

MSExchange Autodiscover 1108

Core

Warning

LogAlways

Error "%1" while loading assembly "%2".%nStack Trace:%3. The event is logged because the Microsoft Exchange Autodiscover service found the managed assembly or DLL it was referencing, but failed to load the assembly.

Autodiscover

MSExchange Autodiscover 2

Web

Error

LogAlways

Anonymous Request received from HostAddress:"%1", HostName:"%2". Invalid Autodiscover site configuration. To fix the problem remove Anonymous access.

Autodiscover

MSExchange Autodiscover 1

Web

Error

LogAlways

Unhandled Exception "%1"%nStack trace: %2

Autodiscover

MSExchange Autodiscover 1109

Core

Warning

LogAlways

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.

Autodiscover

MSExchange Autodiscover 101

Core

Error

LogAlways

No providers were found. The Autodiscover service won't be able to process any valid requests.

Autodiscover

MSExchange Autodiscover 1105

Core

Warning

LogAlways

Requested provider for Request Schema:"%1" and Response Schema:"%2" cannot be found.

Autodiscover

MSExchange Autodiscover 1110

Core

Warning

LogAlways

Error "%1" while loading assembly "%2".%nStack Trace:%3. The event is logged when the Autodiscover provider is unable to load the assembly it is referencing because the assembly or DLL could be in an invalid format.

Autodiscover

MSExchange Autodiscover 1106

Core

Warning

LogAlways

Error "%1" while loading the assembly "%2".%nStack Trace:%3. This error may occur because the provider file is corrupt, is in an incorrect format, or has insufficient permissions.

Autodiscover

MSExchange Autodiscover 1113

Core

Warning

LogAlways

Provider "%1" has invalid attribute - "%2". The entry is not added to the table.

Autodiscover