Knowledge Base

XFOR: Microsoft Mail Connector Error: Service Specific Error 3

Article ID: 158047

Article Last Modified on 10/28/2006

Microsoft Exchange Server 4.0 Standard Edition
Microsoft Exchange Server 5.0 Standard Edition
Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q158047

SYMPTOMS

When you attempt to start an MS Mail Connector service that is configured for an asynchronous connection to an MS Mail postoffice, the following error message may appear:

The <Service name> service returned service specific error 3.

CAUSE

This error is caused by a conflict with the communication port. This error may occur if an internal modem is installed and there is another device connected to the external connector of the same communication port or another application is configured to use the same communication port.

RESOLUTION

Ensure there is no other device connected and no other applications accessing the same communication port as the MS Mail Connector.

MORE INFORMATION

The following processes/devices may produce this error:

Remote Access Service configured to use the same comm port.
Windows NT Multitasking Message transfer Agent (MTA) configured for asynchronous.
Uninterrupted Power Supply using a communication port.

Additional query words: async

Keywords: kbprb kbusage KB158047