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How to disable NetBIOS on Windows 2000/XP machines

(Disable NetBIOS, only, if you do not use PCAFS or share files using Netbios/SMB(windoes shares).

  1. Go to the Control Panel (Start->Settings->Control Panel or Start->Control Panel)

  2. Right-click on "Network and Dial-up Connections" and choose Properties


  3. For each connection shown:
    • Right click on the connection and choose Properties
    • In the "Components checked are used by this connection" highlight "Internet Protocol (TCP/IP)"



    • Click the Properties button
    • Click the Advanced button
    • Click the WINS tab
    • Change the radio button at the bottom to "Disable NetBIOS over TCP/IP"



    • Click OK on all open dialog boxes

  4. Repeat step 3 for all connections listed in "Network and Dial-up Connections"

  5. Restart your computer.

August 7, 2003