Article ID: 158370
Article Last Modified on 11/1/2006
APPLIES TO
- Microsoft Windows NT Server 4.0 Standard Edition
- Microsoft Windows NT Workstation 4.0 Developer Edition
This article was previously published under Q158370
SYMPTOMS
When you add a second modem to a computer and attempt to use it, you may receive the following error message:
CAUSE
This error message occurs if a telephony program was started before the modem was added.
RESOLUTION
You must shut down and restart the computer before you can use the second modem.
MORE INFORMATION
When a modem is used, the following components are loaded into memory:
- Modem.sys
- Tapisrv.exe
- Unimodem.tsp
Until these components are unloaded, a TAPI-aware program cannot use a modem that was added after these components were started.
Additional query words: prodnt
Keywords: kbsetup KB158370
