To use the witness appliance in the third location as a witness host for the vSAN stretched cluster in the NSX-T workload domain in VMware Cloud Foundation, you add the witness host as a standalone host in the vCenter Server instance for the workload domain.


  1. In a Web browser, log in to vCenter Server by using the vSphere Client.
    Setting Value
    URL https://sfo01m01vc01.sfo01.rainpole.local/ui
    User name administrator@vsphere.local
    Password vsphere_admin_password
  2. In the Hosts and clusters inventory, expand the sfo01w01vc01.sfo01.rainpole.local tree.
  3. Right-click the sfo01-w01dc data center and select Add host.
    The Add host wizard appears.
  4. On the Name and location page, configure the settings and click Next.
    Setting Value
    Host name or IP address sfo03w01vsanw01.sfo01.rainpole.local
    Location sfo01-w01dc
  5. On the Connection settings page, enter the following credentials, and click Next.
    Setting Value
    User name root
    Password vsan_witness_root_password
  6. In the Security alert dialog box, click Yes.
  7. On the Host summary page, review the host configuration and click Next.
  8. On the Assign license page, use the default license and click Next.
  9. On the Lockdown mode page, click Next.
  10. On the VM location page, click Next.
  11. On the Ready to complete page, click Finish.