Cannot remove Failover Cluster Windows 2008 R2 Windows 2012   1 comment

Sometimes you want to remove or join a cluster node and it fails to join.

Cluster node cannot join , already member etc.

the solution is easy clear the Cluster info on this node and you are ready to go.

 

powershell as an administrator

Import-Module FailoverClusters

clear-clusternode

After this join the node.

 

If you want to create this on an exchange cluster and rebuild it.

The following steps can be helpful get the DAG info and mailbox servers and remove them.

In powershell

Get-DatabaseAvailabilityGroup -Identity DAG1 | Format-List Servers
Remove-DatabaseAvailabilityGroupServer -Identity DAG1 -MailboxServer MBX1 -ConfigurationOnly:$True -Confirm:$False
Remove-DatabaseAvailabilityGroupServer -Identity DAG1 -MailboxServer MBX2 -ConfigurationOnly:$True -Confirm:$False
Get-DatabaseAvailabilityGroup -Identity DAG1 | Format-List Servers
Import-Module FailoverClusters
clear-clusternode

For creation a new DAG :

Powershell

Add-DatabaseAvailabilityGroupServer -Identity DAG1 -MailboxServer MBX1
Add-DatabaseAvailabilityGroupServer -Identity DAG1 -MailboxServer MBX2
Get-DatabaseAvailabilityGroup -Identity DAG1 | Format-List Servers
Add-MailboxDatabaseCopy -Identity DAG1-DB1 -MailboxServer MBX2
Get-MailboxDatabaseCopyStatus -Server MBX2

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One response to “Cannot remove Failover Cluster Windows 2008 R2 Windows 2012

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