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Q167199: HyperTerminal May Drop Characters When Using Z-Modem

Article: Q167199
Product(s): Microsoft Windows NT
Version(s): winnt:4.0
Operating System(s): 
Keyword(s): kbinterop
Last Modified: 10-AUG-2001

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The information in this article applies to:

- Microsoft Windows NT Workstation version 4.0 
- Microsoft Windows NT Server version 4.0 
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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.


Additional query words:

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Keywords          : kbinterop 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400
Version           : winnt:4.0
Issue type        : kbbug

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