In this guide i will go over the steps of getting an existing 8.x vRSLCM appliance upgraded to the latest 8.12 release. The release notes can be found here

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

The image shows a menu with icons and labels for Lifecycle Operations, Locker, Identity and Tenant Management, Content Management, Marketplace, and vRealize Cloud.

Go to settings -> System Upgrade

Settings page with System Upgrade option highlighted.

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 8.12

System upgrade screen showing available updates for vRSLCM 8.12.

Click on Upgrade

Upgrade screen shows repository type options and buttons for checking/performing upgrade.

Verify that a snapshot or backup exists in case the process fails. Check the check mark for I took a snapshot of the vRealize Suite Lifecycle Manager before I performed this operation. Click Next

Prerequisite check: Ensure a snapshot of vRSLCM exists. Click Next if confirmed.

Click on Run Precheck

Precheck step for vRSLCM upgrade; click RUN PRECHECK for data validation.

Verify that all check have passed and click on upgrade

PreCheck confirms all validations passed; click Upgrade to proceed.

This will fire up the upgrade process and start upgrading packages. The system will automatically reboot on 8.12 once completed. We can check the version by going to Settings -> System Details

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

Error message: Unexpected error; check server connection.