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Hitachi Vantara Knowledge

Replacing a compute server

You can replace an existing ESXi host in a VMware cluster with a new server. The storage settings are automatically updated so that the logical units used by the original host are presented to the newly replaced host, and the datastores (other than local) on the original host are presented to the newly replaced host.

Before you begin

  • Set up the ESXi host that is to be used in place of the server you are replacing and prepare an appropriate host profile. Creating a host profile requires a VMware vSphere Enterprise Plus license for the ESXi host.
  • Ensure that the server to be replaced is present in the vCenter inventory.
  • For compute servers, make sure the firmware version and model of the source and target servers are the same.
    NoteHost replacement and the migration of vSAN datastores is not supported for HC nodes. Also, the same firmware version must be available on the source and target when replacing a host server.


  1. In the UCP Advisor window, click the Compute icon.

    The currently active compute servers are listed in the Navigator window.
  2. In the Navigator window, right-click on any server, then select the server you want to replace.

  3. From the Actions list, click Replace Server.

  4. Select either a standalone or cluster from the hierarchy of servers shown in the server tree, then click Next.

  5. Select the server to be replaced.

  6. Select the ESXi host profile to use for the replacement server.

  7. Click Finish.


The original server is replaced with the new server according to the selected host profile.