Anti-Affinity rules prevent virtual machines from running on the same host. This helps to maintain redundancy in the event of host failures.


  1. Log in to vCenter Server by using the vSphere Web Client.
    1. Open a Web browser and go to https://mgmt01vc51.lax01.rainpole.local/vsphere-client.
    2. Log in using the following credentials.



      User name




  2. In the Navigator select Hosts and Clusters and expand the mgm01vc51.lax01.rainpole.local tree.
  3. Select the LAX01-Mgmt01 cluster and click the Configure tab.
  4. On the Configure page, click VM/Host Rules.
  5. On the VM/Host Rules page, click the Add button to create a new VM/Hosts Rule.
  6. In the Create VM/Host Rule dialog, enter anti-affinity-rule-psc in the Name field, ensure the Enable rule checkbox is selected, select Separate Virtual Machines from the Type drop down menu, and click the Add button.
  7. In the Add Rule Member dialog, select mgmt01psc51 and comp01psc51 and click OK.
  8. Click OK to create the rule.