This article was previously published under Q290816
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When you are using the Cluster Administration tool or Cluster.exe tool to try to add a network resource name that contains an underscore (_) character, you may receive an error message that indicates the resource name contains invalid characters.
The clustering code treats the underscore (_) character as an error, and does not permit their use. This is a regression from Microsoft Windows NT 4.0, when the clustering code interpreted that underscore characters were allowed.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
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