Problems using MS Windows communications programs

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Last Updated: 5th December, 1994


Symptoms

  MSWin communication programs get the message "COMx in use", even
  when no communications programs are using the port.

MSWin communication programs hang or drop the line unexpectedly.


Hardware

  External modem (may not matter)


Problem

APAR PJ16160 

There is a problem with the version of COMM.DRV provided in MSWin 3.11 and MSWin-for-Workgroups v3.11.


Fix

  Try using a copy of COMM.DRV from MSWin 3.1 in place of the
  MSWin-for-Workgroups v3.11 driver.  Success for this problem was
  reported using a COMM.DRV with a date of 03-10-92 and a size of
  9280 bytes.


Notes

  None.



Frank McKenney