You can change the witness host for a vSAN stretched cluster.

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

Prerequisites

Verify that the witness host is not in use.

Procedure

  1. Navigate to the vSAN cluster.
  2. Click the Configure tab.
  3. Under vSAN, click Fault Domains.
  4. Click the Change button. The Change Witness Host wizard opens.
  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.