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# Service Pack 2: COM2 Port Problem

Article ID: 114735

Article Last Modified on 10/31/2006

APPLIES TO

- Microsoft Windows NT Advanced Server 3.1
- Microsoft Windows NT Workstation 3.1

This article was previously published under Q114735

## SYMPTOMS

If you have Service Pack 2 installed and have a modem connected to COM2, your modem may dial slowly, buffer overflow messages may appear, and the modem software may stop operating. These problems occur when you are using a 16-bit MS-DOS - based application.

## STATUS

Microsoft has confirmed this to be a problem in Windows NT and Windows NT Advanced Server version 3.1. This problem has been corrected in the latest U.S. Service Pack for Windows NT and Windows NT Advanced Server version 3.1. 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: prodnt SP2

Keywords: kbhardware KB114735