SBS: Fax Does Not Use Second Modem When the First One Is Busy

• Microsoft BackOffice Small Business Server versions 4.0, 4.0a, 4.5

SYMPTOMS

When you have two or more compatible modems configured to use the Microsoft Fax service and the first modem is in use by another service, other fax jobs may be held until the first modem becomes available.

CAUSE

This behavior can occur if you install a modem and the Unimodem file that keeps the corresponding Telephony API (TAPI) line open for monitoring is not installed. Without this file, the second modem does not receive notification of events on the corresponding line.

RESOLUTION

Contact the manufacturer of your modem to obtain an updated firmware revision and Unimodem driver files for use with Small Business Server (SBS). Reinstall the modem with those files.

STATUS

This is a confirmed problem in SBS versions 4.0, 4.0a, and 4.5.

MORE INFORMATION

After you reinstall a modem, you may encounter one or more of the issues described in the following Microsoft Knowledge Base article:

Q186813 SBS Fax Server Receive Properties May Not Be Saved

Additional query words: smallbiz

Keywords : kbenv kbhw kbtool
Version : winnt:4.0,4.0a,4.5
Platform : winnt
Issue type : kbbug