Microsoft KB Archive/247480

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Knowledge Base

Article ID: 247480

Article Last Modified on 11/1/2006


  • Microsoft Windows 2000 Professional Edition

This article was previously published under Q247480


When you click Hibernate from the Shut Down menu after using a modem connection to the Internet, the Microsoft Windows 2000-based computer does not go into hibernation and you receive the following error message:

The device driver for 'Communications Port (2)' is preventing machine from entering hibernation. Please close all programs and try again. If the problem persists you may need to update this driver.

When you close all programs and then click Hibernate again, you receive the same error message.


Microsoft has confirmed that this is a problem in Microsoft Windows 2000.



  1. In the Power Options tool in Control Panel, click to select the Enable Hibernate Support check box.
  2. Start Internet Explorer, and then start Dial-up Networking.
  3. Configure Dial-up Networking to autodial.
  4. Quit Internet Explorer, and then disconnect the modem.
  5. Click Hibernate on the Shut Down menu.

Additional query words: shut down power

Keywords: kbbug kbnofix KB247480