Microsoft KB Archive/110387

= LM 2.2 DOS/Windows Client Hangs with DCA Comm Server =

Article ID: 110387

Article Last Modified on 9/30/2003

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APPLIES TO


 * Microsoft LAN Manager 2.2 Standard Edition

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This article was previously published under Q110387



SYMPTOMS
LAN Manager clients using DCA Comm Server version 1.0 for an extended period of time (5-6 hours) have reported a hung machine requiring a cold boot.

The system reporting this problem included:


 * DCA Comm Server version 1.0
 * MS-DOS version 5.0 or 6.0
 * Microsoft Windows version 3.1
 * Microsoft LAN Manager version 2.2
 * Microsoft TCP/IP version 1.0
 * IBM token ring boards with the NDIS 2 driver that shipped with LAN Manager 2.2



CAUSE
Under investigation. It apparently is associated with the token ring board or card.



WORKAROUND
Two substitutions have removed this problem:


 * 1) Replace the NDIS 2 driver with the NDIS 2.0 driver for the IBM token ring card, available from IBM.
 * 2) Replace the IBM token ring board with the DCA IRMATRAC token ring board.



STATUS
Microsoft has confirmed this to be a problem in LAN Manager version 2.2. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: 2.20 2.0 TR MSTCP LM

Keywords: KB110387

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