You can change the witness host for a Virtual SAN stretched cluster.

Change the ESXi host used as a witness host for your Virtual SAN stretched cluster.


Verify that the witness host is not in use.


  1. Navigate to the Virtual SAN cluster in the vSphere Web Client.
  2. Click the Configure tab.
  3. Under vSAN, click Fault Domains and Stretched Cluster.
  4. Click the Change witness host button.
  5. Select a new host to use as a witness host, and click Next.
  6. Claim disks on the new witness host, and click Next.
  7. On the Ready to complete page, review the configuration, and click Finish.