Problems using MS Windows communications programs

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Last Updated: 5th December, 1994

Contents

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