Microsoft KB Archive/235454

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The information in this article applies to:


 * Microsoft Windows 2000 Professional
 * Microsoft Windows 2000 Server

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SYMPTOMS
When you use Dial-Up Networking with a plug and play modem, you may receive the following error message:

Error 633

Your modem may not have been present or may have been turned off at startup. Re-attach or turn on your modem, then use Device Manager to scan for new hardware.

CAUSE
This issue can occur if the plug and play modem was turned off when you started the computer.

RESOLUTION
To resolve this issue, turn on the modem, and then scan for new hardware in Device Manager or restart the computer.

STATUS
This issue is by design. Windows does not automatically poll the serial port to check for plug and play devices.

Additional query words:

Keywords : kbenv kberrmsg kbhw

Version : WINDOWS:2000

Platform : WINDOWS

Issue type : kbprb
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