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Error 692 Using 3Com Impact ISDN Modem with RAS

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Article ID:151232
Last Review:February 21, 2007
Revision:2.2
This article was previously published under Q151232

SYMPTOMS

When you use Remote Access Service (RAS) and attempt to dial out with your 3Com Impact modem, you receive the following error message:
Error 692: Hardware failure in port or attached device.

NOTE: You can use one of 3Com's line of Impact ISDN modems with Windows NT Remote Access Service (RAS) after you obtain a Modem.inf file from 3Com. These devices are not listed on the current Windows NT Hardware Compatibility List (HCL).

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CAUSE

The <autodial> macro specified in the COMMAND_DIAL line of the 3Com Impact Digital Data section of 3Com's Modem.inf file is not resolved properly.

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RESOLUTION

Edit the 3Com Impact Digital Data section of the Modem.inf file supplied by 3Com. Change the following line
COMMAND_DIAL=<autodial><phonenumber><cr>

to:
COMMAND_DIAL=ATD <phonenumber><cr>

You must restart RAS in order for this change to take effect.

The 3Com Impact modem is manufactured by 3Com, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

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APPLIES TO
•Microsoft Windows 2000 Server
•Microsoft Windows 2000 Advanced Server
•Microsoft Windows 2000 Professional Edition
•Microsoft Windows NT Workstation 3.5
•Microsoft Windows NT Workstation 3.51
•Microsoft Windows NT Workstation 4.0 Developer Edition
•Microsoft Windows NT Server 3.5
•Microsoft Windows NT Server 3.51
•Microsoft Windows NT Server 4.0 Standard Edition

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Keywords: 
KB151232

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