STREAMS Does Not Handle User Data Correctly

This article was previously published under Q198407
This article has been archived. It is offered "as is" and will no longer be updated.
Winsock API-based X.25 support does not function correctly when used withthe Windows NT streams driver.
The TDI-to-TPI wrapper in Windows NT streams driver does not update themessage block write pointers properly in handling Connect/Disconnect UserData, as well as the Connect/Disconnect Options.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was first corrected in Windows NT version 4.0 Service Pack 5.

Article ID: 198407 - Last Review: 11/02/2013 23:49:00 - Revision: 3.0

Microsoft Windows NT Workstation 4.0 Developer Edition, Microsoft Windows NT Server 4.0 Standard Edition

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