Windows error 5068 (ERROR_INVALID_OPERATION_ON

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The quorum role forbids this ordinary resource operation.

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ERROR_CLUSTER_NETWORK_HAS_DEPENDENTS	ERROR_DEPENDENCY_NOT_ALLOWED

ERROR_INVALID_OPERATION_ON_QUORUM

Ordinary resource controls cannot override quorum invariants

The quorum resource has additional restrictions beyond ordinary cluster resources. Microsoft error definitions specifically call out operations such as taking the quorum resource offline or modifying its possible-owner list. Those changes could undermine the cluster voting and ownership model.

The correct workflow depends on the intended goal. If the witness or quorum design must change, reconfigure quorum. If the problem is a failed quorum resource, diagnose the configured witness type and preserve enough votes for safe cluster operation.

What to inspect

Read current quorum configuration before attempting another resource control.
Use quorum configuration commands or the quorum wizard instead of Stop-ClusterResource or generic owner-list changes on the quorum resource.
Verify cluster voting and witness reachability after any supported quorum change.

Get-ClusterQuorum

References

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