Article ID: 198407 - View products that this article applies to.
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Winsock API-based X.25 support does not function correctly when used with the Windows NT streams driver.
The TDI-to-TPI wrapper in Windows NT streams driver does not update the message block write pointers properly in handling Connect/Disconnect User Data, 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:
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.