Dongle May Not Function Under Windows NT 4.0

 Last reviewed: August 13, 1997
Article ID: Q159144
The information in this article applies to:
  • Microsoft Windows NT Workstation version 4.0
  • Microsoft Windows NT Server version 4.0

SYMPTOMS

Communications on a port dongle under Windows NT can fail because of changes in Ntvdm.exe.

MORE INFORMATION

A dongle is a small device that is attached to a system to provide physical confirmation of a software license.

WORKAROUND

The updated version of Ntvdm.exe, which fixes dongle problems, is available in Windows NT 4.0 Service Pack 2 and later.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.00. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 4.00. 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: parallel port Winnt prodnt
Keywords : kbbug4.00 kbfix4.00.sp2 nthw NTSrvWkst kbhw kbsetup
Version : 4.0
Platform : winnt

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Last reviewed: August 13, 1997
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