Restoring NSX Controller Nodes

The NSX Controller Nodes do not need to be backed up, as they retrieve the configuration from NSX Manager. In the case where NSX controllers were deleted, are missing from the configuration/UI, failed to re-join the cluster, or we are experiencing multiple controller failure, the NSX Controller Nodes can be restored by redeploying a new set of NSX Controller Nodes.

Note

The supported procedure to redeploy NSX Controller Nodes is to delete all three existing controller nodes, deploy three new controller nodes, and perform a controller state update.

Getting ready

Before redeploying the controller nodes, first delete the existing failed controller nodes from the NSX deployment. You should be logged into the vSphere Web Client as an Enterprise Administrator or NSX Administrator.

Note

When there are no NSX Controller Nodes in the system, the hosts operate in "headless" mode. New VMs or vMotioned VMs will have networking issues until new controllers are deployed and the...