For URL-based patching, the vCenter Server Appliance is preset with a default VMware repository URL for the build profile of the appliance. You can use the update.set command to configure the appliance to use the default or a custom repository URL as the current source of patches and enable automatic checks for patches.
By default the current repository for URL-based patching is the default VMware repository URL.
If the vCenter Server Appliance is not connected to the Internet or if your security policy requires it, you can build and configure a custom repository. The custom patching repository runs on a local Web server within your data center and replicates the data from the default repository. Optionally, you can set up an authentication policy for accessing the Web server that hosts the custom patching repository.
Procedure
What to do next
If you configured the appliance to perform automatic checks for available patches, you can regularly view the vCenter Server Appliance health status for notifications about available patches. See vCenter Server Appliance Configuration.