SMTP TCP/IP Port Hangs in Windows NT 3.51

Last reviewed: September 6, 1996
Article ID: Q147203

The information in this article applies to:

Microsoft Windows NT Workstation version 3.51
Microsoft Windows NT Server version 3.51

SYMPTOMS

In Windows NT 3.51, an SMTP TCP/IP socket port stops responding (hangs).

CAUSE

This problem occurs when a client computer sends a request to open the socket port, but the request contains information of an invalid endpoint to be opened.

RESOLUTION

To resolve this problem, install the fix mentioned below.

To work around this problem, shut down and restart Windows NT.

To correct this problem, apply the fix mentioned below.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in the latest U.S. Service Pack for Windows NT Workstation or Server version 3.51. For information on obtaining this update, query on the following word in the Microsoft Knowledge Base (without the spaces):

   S E R V P A C K

KBCategory: kbnetwork
KBSubCategory: nttcp NTSrvWkst
Additional reference words: prodnt 3.51

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Last reviewed: September 6, 1996
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