Installation prerequisites should be met
Stork installed on all application clusters
TKGS cluster with version 1.23.8 and below available over network
Portworx or vSphere (non-Portworx) volumes should exist
Add TKGS cluster to Portworx Backup
From the home page, select Add Cluster:
In the Add Cluster page, under Select Kubernetes Platform, select Others and then enter the cluster details:
The name of the cluster
Retrieve the Kubeconfig from your cluster and paste it in the Kubeconfig text frame or click Browse to upload it from a file.
Select the Others option from the Kubernetes Service radio group.
Click Add Cluster.