Update Manager downloads the list of available patches from vmware.com. To set up frequency of the repository update, click Home. Click the Update Manager icon. Under the Configuration tab, click Patch Download Schedule.

To view the Patch Download scheduled task, click Home > Scheduled Tasks > VMware vCenter Update Manager Update Download.

Notes:

• To manually run this task, right-click the task and click Run.

• When running the task, you see Download Patch Definitions task in the Recent Tasks.

• If the Download Patch Definitions task fails, ensure Update Manager can reach vmware.com. For more information

To attach the baselines to the ESX host:

1. Click Home > Hosts and Clusters.

2. Highlight the ESX host you want to update and click the Update Manager tab.

3. Click Attach. Select Critical Host Patches and Non-Critical Host Patches baselines and click Attach.
   
   Note: To create custom baselines click Home > Update Manager > Baselines and Groups > Create.

To scan the ESX host for missing patches against the repository, right-click on the ESX host and click Scan for Updates > Patches and Extensions > Scan.

Notes:

• Scan progress is shown by the Scan Entity task in the Recent Tasks.

• The host scan does not affect running virtual machines.

• If the scan fails, ensure the ports between Update Manager and the ESX host are open. For more information, seeVMware Update Manager network port requirements (1004543).

• When the scan is complete you see the number of patches missing on the ESX host. If no patches are missing, you see Compliant.

To remediate the missing patches to the ESX host:

1. Power off all virtual machines or vMotion them to a different ESX host.
2. Place the ESX host into maintenance mode. Right-click on the ESX host, choose Enter Maintenance Mode, and click Yes.
3. Right-click on the ESX host and choose Remediate > Critical Host Patches and Non-Critical Host Patches baselines and click Next.
4. Choose which updates or patches to install, click Next > Next >  Finish.

Notes: