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Windows Server 2008 Serial Modem

We have a modem attached to serial port on server running Windows 2008 the modem stopped working.  We have uninstalled the modem and have gotton a new one.  Windows does not reconize anything on that serial port now.  Is there a AT command or something that will release what I think is a port reservation causing that port to be locked down.  I have gone through registry and can find nothing for serial port other than standard windows settings.


Thanks
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Top Expert 2012

Commented:
You have rebooted the server with the new modem plugged in, right?

Author

Commented:
Yes one of the first things we did.
Top Expert 2012

Commented:
Is the modem supported for the Windows 2008 server?

Have you tried a different COM port?

Have you installed the COM port?

To test or get the modem to connect you must reboot the server.
Commented:
It was system board