in tree is depricated. see: https://github.com/kubernetes/enhancements/tree/master/keps/sig-cloud-provider/2395-removing-in-tree-cloud-providers#phase-4---disabling-in-tree-providers

Author: Tejeev

content/rancher/v2.5/en/cluster-provisioning/rke-clusters/cloud-providers/vsphere/in-tree/_index.md

@@ -3,6 +3,8 @@ title: How to Configure In-tree vSphere Cloud Provider
 shortTitle: In-tree Cloud Provider
 weight: 10
 ---
+>**Note:** The in tree provider will be disabled and removed gradually from k8s version 1.21 through 1.25.  We recommend moving to the out of tree provider.
+
 
 To set up the in-tree vSphere cloud provider, follow these steps while creating the vSphere cluster in Rancher: