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WU_E_EE_CLUSTER_ERROR
WU_E_EE_CLUSTER_ERROR means the applicability evaluator could not determine the computer cluster state. Some updates use this state when deciding whether they apply to a clustered or failover-aware installation.
What to verify
- Check the health and availability of the clustering components expected on the machine.
- Review event logs and Windows Update logs from the same time window for service-start or WMI failures.
- Do not attempt to bypass applicability; resolve the cluster-state query failure before redeploying the update.
Microsoft: Windows Update log files
Microsoft: Windows Update error reference
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