This procedure shows you how to replace the components of an unassigned host that is running in degraded mode.


  • Verify that the host is operational and is accessible by VMware Host Client.
  • Verify that the HDD and SSD disks on the host are in a good state.


  1. In the navigation pane, click Inventory > Hosts.
  2. In the Hosts table, select the host on which you want to perform maintenance.
  3. From the Action menu, click Open in VMware Host Client and log in.
  4. Right-click the host and select Shutdown.
  5. Pull the host out of the physical rack.
    Note the ports on the switches it was connected to.
  6. Service the appropriate part following the OEM vendor documentation.
  7. Put the host back in the physical rack and connect it back to the appropriate switches.
  8. Power on the host.
  9. In SDDC Manager UI, verify that the host is available in the free pool.