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Microsoft KB Archive/173496

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Knowledge Base

Article ID: 173496

Article Last Modified on 10/28/2006


  • Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q173496


When you start the Microsoft Exchange Internet Mail Service (IMS), the following error may be displayed:

Could not start the Microsoft Exchange Internet Mail Service on.
Error 2140: An internal Windows NT error occurred.

In the Windows NT Server Event Viewer Application log, you may see the following:

Event id: 4143
Source: MSExchangeIMC
Type: Error
Category: Initialization/Termination
The Internet Mail Service service account is not an administrator account. In order to provide SSL support, the service account must be an administrator account.


The Microsoft Exchange Service Account is not an Administrator or part of the Administrator group.


Add the Service Account to the Local or Domain Administrator group.


This by product design.

Keywords: kberrmsg KB173496