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ERROR_GROUP_NOT_AVAILABLE
The resource group is temporarily unavailable for new requests
A cluster group is the ownership and failover unit that contains one or more resources. MS-CMRP notes that a group is owned by only one node at a time. During movement, failover, shutdown, or other state transitions, the group can exist while being unavailable for another management operation.
Inspect the group as a whole rather than testing one resource in isolation. A single dependency or resource transition can keep the role in a state where a new move or start request is not accepted.
What to inspect
- Record group State and OwnerNode and identify whether a move or failover was already in progress.
- Inspect all resources in the group to find pending or failed members.
- Avoid concurrent orchestration that issues move, start, and stop operations against the same clustered role from separate controllers.
Get-ClusterGroup | Format-Table Name, State, OwnerNode
Get-ClusterResource | Format-Table Name, State, OwnerGroupReferences
- Microsoft Open Specifications: MS-CMRP glossary
- Microsoft Open Specifications: Cluster Resources and Groups
- Microsoft: Get-ClusterGroup
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