HyperTerminal May Drop Characters When Using Z-Modem

 Last reviewed: May 20, 1997
Article ID: Q167199
The information in this article applies to:
  • Microsoft Windows NT Workstation version 4.0
  • Microsoft Windows NT Server version 4.0

SYMPTOMS

HyperTerminal with Z-modem transfer mode using baud rates of 57,600 or higher may cause packets to be dropped or incorrect file transfers to occur. Additionally, transfers may be successful only after a large number of retries.

WORKAROUND

Use baud rates below 38,400 or use a higher baud rate but with a protocol other than Z-Modem.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. 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

MORE INFORMATION

This problem has been reported on modems from several different modem manufacturers and does not appear to be modem specific. 

Keywords          : kbbug4.00 kbfix4.00 kbfix4.00.sp2 nt32ap NTSrvWkst ntutil kbinterop
Version           : 4.0
Platform          : winnt
Issue type        : kbbug
Solution Type     : kbservicepack

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Last reviewed: May 20, 1997
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