Add the R640 ESXi management host to VMware vCenter:
- Log in to the VMware vSphere Client (HTML5).
- Click the home icon at the top of the screen and click Hosts and Clusters.
- Expand the data center and right-click the Compute Cluster.
- Click Add Host.
- In the hostname or IP address field, type the FQDN of the new host and click Next.
- Type the root username and password for the host and click Next.
- On the Host Summary page, click Next.
- Click the proper license and click Next.
- On the Lockdown Mode page, leave all default values and click Next.
- Click Finish to add the host to the cluster.