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ERROR_CLUSTER_INVALID_SECURITY_DESCRIPTOR
ERROR_CLUSTER_INVALID_SECURITY_DESCRIPTOR means the supplied security descriptor does not meet cluster requirements. The descriptor may be malformed or grant/deny permissions that are invalid for the target cluster object.
Preserve the descriptor supplied by the caller and compare it with one produced by supported cluster tooling. Correct malformed ownership, ACL, or inheritance data at the source instead of repeatedly applying the rejected descriptor.
What to check
- Identify the exact cluster object and configuration action that supplied the descriptor.
- Compare with the documented permission model or a known-good equivalent object, without copying sensitive ACLs indiscriminately.
- Review security and FailoverClustering events for access-denied or directory-object errors that preceded the validation failure.
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