Created attachment 1319042 [details] cluster_deselect Description of problem: Datastores clusters check boxes cannot be deselected in the tree, 'Save' button is not active Version-Release number of selected component (if applicable): 5.8.2.0 How reproducible: 100% Steps to Reproduce: 1. Add infra provider with datastore clusters(in my case vsphere 6 nested) 2. Navigate to add new group page 3. Open Hosts & Clusters tab 4. Extent provider tree and datastores tree 5. Select one cluster 6. Save changes 7. Edit group 8. Deselect cluster Actual results: Save button is not active Expected results: Changes for this tree should be saved