"Error 630" or "Port Is Invalid or Busy" When Dialing Out with a Modem

• Microsoft Windows 98

SYMPTOMS

When you attempt to dial out with a modem, you may receive any of the following error messages:

Error 630: The computer is not receiving a response from the modem. Check that the modem is plugged in, and if necessary, turn the modem off, and then turn it back on.





Commuication port is invalid or busy.

CAUSE

This behavior can occur if you have the "Support SerialKey devices" Accessibility option configured to use the COM port to which your modem is connected.

RESOLUTION

To resolve this issue:

1. Click Start, point to Settings, click Control Panel, and then double-click Accessibility Options.



2. On the General tab, either:



• Click to clear the Support SerialKey devices check box, or



• Click Settings, click a different COM port in the Serial port box, and then click OK.



3. Click OK.

Additional query words:

Keywords          : kbenable kberrmsg win98 
Version           : WINDOWS:
Platform          : WINDOWS 
Issue type        : kbprb 

Last Reviewed: May 6, 1999