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ERROR_CLUSTER_JOIN_IN_PROGRESS
Failover Clustering serializes membership changes. Starting another join, eviction, or configuration operation while a node is joining can make diagnosis harder and can abort the original operation.
Confirm which node and management operation own the current join and wait for its terminal result. If it stalls, collect Cluster.log and network/quorum state from that operation rather than starting a competing membership change.
What to check
- Wait for the current join to finish or fail and then inspect the first failure in the cluster log.
- Confirm that no administrator, automation job, or deployment tool is attempting the same add-node action concurrently.
- Verify stable connectivity, DNS, and matching cluster prerequisites before retrying the join.
Get-ClusterLog -UseLocalTime -Destination C:\ClusterLogsLooking for a different code? Search another status or error code.