Using the downloaded ESXi offline bundle, create a baseline without internet access
ESXi 7.0
ESXi 8.0
If the vCenter is not connected to the internet to download the latest patches, follow the steps below to create an offline baseline
Download the latest version of ESXi offline bundle and save it in the downloads folder
Access the vCenter UI and log in as an administrator
Click the menu icon and select Lifecycle Manager
Click on Actions > Import updates
Click on the Baselines menu and click New -> Baseline
Add a name to the baseline, choose Upgrade, and click Next
Uncheck the box "Automatically Update this Baseline with Patches."
Select the patch available in the list, click next, and finish
Add the new baseline on the cluster or an individual host
Stage and remediate