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Microsoft Resource Kits - Windows 2000 Resource Kit

Clusrest.exe  (Windows 2000 Resource Kit)

The Windows 2000 Resource Kits help IT professionals deploy, manage, and support Windows 2000 operating systems.
There are a number of Windows 2000 Resource Kit software tools available for free download from Microsoft. These tools are listed below, and can help you streamline administrative tasks such as managing Active Directory™, administering security features, working with Group Policy and Terminal Services, automating application deployment, and other important jobs.

Clusrest.exe - Cluster Quorum Restore Utility
This tool is used in a Microsoft® Windows® 2000 cluster after a node has been restored using NtBackup, a component of the Windows 2000 operating system. NtBackup leaves the quorum data in a directory on the node's disk, but does not restore it to the quorum disk at that time. Restoring the quorum disk requires that the cluster be stopped and restarted, which may not be necessary or desirable. If a quorum disk requires a restore, the cluster is most likely down and the operation will not negatively impact operation.