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Updated: March 28, 2003

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2



Data type Range Default value


0 | 1



Specifies whether the computer releases its NetBIOS name when it receives a name-release request. If the value of this entry is 0 (the default), then the computer releases its NetBIOS name upon request; if the value of this entry is 1, then the computer does not release its NetBIOS name. Configuring the computer to refuse release of its NetBIOS name can protect against malicious requests for name release.

This entry does not exist in the registry by default. You can add it by using the registry editor Regedit.exe.

Activation Method

You must restart the computer for changes to take effect.

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