Error 692 Using 3Com Impact ISDN Modem with RAS

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This article was previously published under Q151232

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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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