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Microsoft KB Archive/174791

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Knowledge Base

XFOR: Cannot Send or Receive Messages After Installing Membership

Article ID: 174791

Article Last Modified on 9/30/2003


  • Microsoft Commercial Internet System 1.0 Service Pack 2

This article was previously published under Q174791


After you install Membership, the users who are only in the Windows NT directory are no longer able to attach to the server. Therefore they cannot send or receive messages.


Distributed Processing Architecture (DPA) authentication (Membership) breaks Microsoft Windows NT Challenge/Response (NTLM). Internet Mail Server can only use one directory to authenticate users. If Membership is installed using DPA, then the Windows NT directory of users is no longer functional.


After Membership is installed, create all users in the membership directory.


Microsoft has confirmed this to be a problem in Microsoft Commercial Internet System version 1.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Commercial Internet System version 1.0. For information on obtaining the Service Pack, query on the following article in the Microsoft Knowledge Base:

183062 MCIS 1.0 Service Packs 1 and 2 Information

Keywords: kbbug KB174791