Windows 2019
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Windows Server Failover Clustering : Remove Nodes2019/07/09

 
Remove Nodes from existing WSFC Cluster.
On this example, remove a Node [Node#3] from the existing Cluster like follows.
                                   |
+----------------------+           |           +----------------------+
|  [      AD DS     ]  |10.0.0.100 | 10.0.0.110|  [  iSCSI Target  ]  |
|    fd3s.srv.world    +-----------+-----------+    tgt01.srv.world   |
|                      |           |           |                      |
+----------------------+           |           +----------------------+
                                   |
+----------------------+           |           +----------------------+
|  [ Cluster Node#1 ]  |10.0.0.101 | 10.0.0.102|  [ Cluster Node#2 ]  |
|    rx-7.srv.world    +-----------+-----------+    rx-8.srv.world    |
|                      |           |           |                      |
+----------------------+           |           +----------------------+
                                   |
+----------------------+           |
|  [ Cluster Node#3 ]  |10.0.0.103 |
|    rx-9.srv.world    +-----------+
|                      |
+----------------------+

 
On CUI Configuration, run PowerShell and Set like follows.
[1] Logon to a Node that you installed Cluster Adminisrative tools and then Remove a Node.
# [-Cluster] ⇒ target Cluster name
# [-Name] ⇒ target Node name
PS C:\Users\Administrator> Remove-ClusterNode -Cluster "Cluster01" -Name "RX-9" 

Remove-ClusterNode
Are you sure you want to evict node RX-9?
[Y] Yes  [N] No  [S] Suspend  [?] Help (default is "Y"): Y

# confirm : OK if target Node is not listed
PS C:\Users\Administrator> Get-ClusterNode 

Name  State Type
----  ----- ----
RX-7  Up    Node
RX-8  Up    Node
Windows Server Failover Clustering : Remove Nodes (GUI)
 
On GUI Configuration, Configure like follows.
[2] Logon to a Node that has cluster administration tools and start [Server Manager] - [Tools] - [Failover Cluster Manager].
[3] Select [Nodes] on the left pane and Right-Click the target Node you'd like to remove and select [Evict] on the center pane.
[4] Click [Yes] if that's OK.
[5] After removing successfully, it is removed on the Nodes list.
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