The information in this article applies to:
- Microsoft Windows NT operating system version 3.1
- Microsoft Windows NT Advanced Server version 3.1
- Microsoft Windows NT Workstation versions 3.5, 3.51, and 4.0
- Microsoft Windows NT Server versions 3.5, 3.51, and 4.0
SUMMARY
Some modems that are not listed on the Windows NT Hardware Compatibility
List (HCL) can still be used successfully with Windows NT Remote Access
Service (RAS).
MORE INFORMATION
Microsoft does not guarantee the functionality of hardware not present in
the most recent version of the Windows NT HCL; however, one of the
following workarounds may allow you to use an unsupported modem with
Windows NT RAS.
- Many modem vendors have created Modem.inf files for use with Windows NT
RAS. See if yours has by visiting the modem vendor's WWW site or BBS.
- When you are configuring RAS, select a modem setting of "Hayes
Compatible." RAS includes support for four generic "Hayes Compatible XXXX"
modems, where XXXX represents 1200, 2400, 9600, or 14400 (pick the proper
speed for your modem). Configuring your modem as a Hayes Compatible device
may allow it to function properly with RAS.
- Select another modem by the same manufacturer as your modem. If your
modem is similar (e.g., if it has the same speed or supported communication
standards) to a Windows NT-supported modem by the same manufacturer, try
configuring your modem in RAS as that supported modem. You may need to
modify the Modem.inf section of the supported modem to make it compatible
with your modem.
- Edit the Modem.inf file and add a new section for your modem. Before
making any changes to Modem.inf, make a backup of the file. Use one of
the existing modem sections as a template for your new section. Modify
the settings to reflect the appropriate commands for your modem, as
defined in the documentation for your modem.
You can find the list of requirements for a Modem.inf section by
searching for the following topic in the Remote Access Help File
(Rasphone.hlp):
MODEM.INF, modifying
For additional information, please see the following article(s) in the
Microsoft Knowledge Base:
ARTICLE-ID: Q150808
TITLE : Disabling Support for Unimodem Modems in Remote Access
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