Microsoft KB Archive/150736

= Stopping SNA Server Service Leads to Perpetual Stopping State =

Article ID: 150736

Article Last Modified on 3/23/2004

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APPLIES TO


 * Microsoft Windows NT 3.51 Service Pack 5
 * Microsoft SNA Server 2.0, when used with:
 * Microsoft Windows NT 4.0
 * Microsoft SNA Server 2.1, when used with:
 * Microsoft Windows NT 4.0
 * Microsoft SNA Server 3.0, when used with:
 * Microsoft Windows NT 4.0
 * Microsoft SNA Server 2.11 Service Pack 1, when used with:
 * Microsoft Windows NT 4.0

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This article was previously published under Q150736





SYMPTOMS
When SNA Server is configured with one or more 802.2 Token Ring or Ethernet connections on Microsoft Windows NT 3.51 (or 3.51 Service Pack 1-4), you may have one of the following problems:
 * When you stop SNA Server, the SNA Server Admin program shows the server in a perpetual Stopping state. A net start command shows the SNA Server service as stopped, though one or more 802.2 link services (SNADLC1, SNADLC2, ...) will still be started.
 * If an 802.2 connection is stopped or fails, the connection may be stuck in an Inactive state and it is not possible to restart it using SNA Server Admin.



CAUSE
During connection shutdown, the SNA Server 802.2 link service issues commands (such as DIR_READ_LOG or DLC_CLOSE_STATION) to the Windows NT Dlc.sys driver that never completes, causing the link service to fail to respond to the SNA Server's Close(Link) request.

When it processes these commands, the Windows NT DLC driver is waiting on a response from the underlying NDIS miniport driver. However, the Windows NT Ndis.sys wrapper request handler was not properly processing requests from the transport driver in some cases, causing an NDIS command to fail to complete.



RESOLUTION
Contact Microsoft for a Windows NT 3.51 hotfix for this problem.



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

S E R V P A C K

Additional query words: prodnt prodsna 2.00 2.10 2.11

Keywords: kbbug kbfix KB150736

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