To do this, connect to the Virtual Center using the vSphere Client.

Before making any changes, place the server into Maintenance Mode.

• In the Hosts and Clusters section, click the Update Manager tab
• Right-click on an ESX host server and select Scan for Updates
• After the scan, right-click the server again, and select Remediate…
• Check the box for the desired baseline, and click Next to run through the wizard

Note that the server may reboot several times and appear unresponsive during the update process.