Microsoft KB Archive/108660

= MS TCP/IP Does Not Load with ODINSUP on Token Ring =

Article ID: 108660

Article Last Modified on 10/31/2006



This article was previously published under Q108660



SYMPTOMS
On a LAN Manager 2.2 enhanced MS-DOS workstation under Windows for Workgroups 3.1 or 3.11, trying to load Microsoft TCP/IP on top of a Novell Netware ODI MLID and ODINSUP fails with this error:

Unloadable TCP 1.0 not loaded

Microsoft NetBEUI loads and functions in this configuration.



CAUSE
TCP/IP issues an OpenAdapter NDIS call to determine if a token ring network card is available and functional. If this call fails, TCP/IP fails to load.

Novell's ODINSUP NDIS support layer for ODI drivers does not provide support for the OpenAdapter call. Instead it performs its own adapter initialization and sets bit 4 of the MAC status table's flag field to indicate that the adapter is already open.



RESOLUTION
The TCPTSR driver was changed so that it does not attempt an OpenAdapter NDIS call until it checks bit 4 of the MAC Service Specific Status Table to see if the adapter is already open. This fix is available as CSD00.071.

Additional query words: wfw wfwg 2.20 2.2 ipxodi ipx netx snoball

Keywords: KB108660

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