In this guide i will go over the steps of getting an existing 8.x vRSLCM appliance upgraded to the latest 8.4 release. The release notes can be found here

The first step is to lo in to vRealize Suite Lifecycle Manager under the Lifecycle Operations section

The image shows a UI with options for Lifecycle Operations, Locker, Identity and Tenant Management, Content Management, and Marketplace.

Go to settings -> System Upgrade

Settings page with System Upgrade option highlighted for vRSLCM upgrade.

Click on Check for Upgrade

System upgrade page shows successful vRSLCM upgrade, snapshot recommendation, and upgrade options.

We can see that the check found a new version available for 8.4.1.1

System upgrade page showing available update 8.4.1.1, reboot warning, and upgrade options.

Click on Upgrade

Upgrade wizard step for vRSLCM, showing repository type selection and upgrade buttons.

This will fire up the upgrade process and start upgrading packages. The system will automatically reboot on 8.4.1.1 once completed. We can check the version by going to Settings -> System Details

System Details page shows vRSLCM version 8.4.1.1 and vendor VMware Inc.

If you get the below error clear the browser cache and try again

Error message: Unexpected error. Check server connection and retry.