This article was previously published under Q178110
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OS/2 Warp clients version 3.0 or 4.0 can log on to a computer runningWindows NT Server 4.0 Service Pack 3 and File and Print services forNetWare (FPNW). However, the client cannot map a network drive or access afile from the command prompt.
This problem occurs if the client tries to map or access a file from thecommand prompt in OS/2. Windows NT 4.0 Service Pack 3 provides support forextended NCP to support Client32. As a result, the OS/2 support for NetWarefrom the command prompt does not function properly.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed this to be a problem in Windows NT version 4.0Service Pack 3. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.