Windows error 5052 (ERROR_CLUSTER_NODE_NOT

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The target computer is not a member of the cluster.

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ERROR_CLUSTER_NODE_UNREACHABLE	ERROR_CLUSTER_JOIN_NOT_IN_PROGRESS

ERROR_CLUSTER_NODE_NOT_MEMBER

The server exists but is not recorded as a current cluster member. It may never have joined, it may have been evicted, or the operation may be pointing to the wrong cluster.

Determine whether the server should join this cluster or whether the command targeted the wrong environment. If rejoining is intended, validate prerequisites and residual configuration before initiating a supported add-node workflow.

What to check

Confirm the intended cluster name and list its current nodes before trying an add-node operation.
Check whether the server was removed intentionally or after a failed membership repair.
Validate the server against the existing cluster before adding it back.

Get-ClusterNode; Test-Cluster

Microsoft: Get-ClusterNode

Microsoft: Test-Cluster

Microsoft: Create and manage a failover cluster

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