In this guide i will go over the steps of getting an existing 8.x vRSLCM appliance upgraded to the latest 8.6 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 icons and labels for Lifecycle Operations, Locker, Identity and Tenant Management, Content Management, and Marketplace.

Go to settings -> System Upgrade

Settings page with System Upgrade option visible 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 8.6.0.20

Upgrade vRealize Suite Lifecycle Manager wizard shows available update and upgrade options.

Click on Upgrade

Select repository type, check online, upgrade buttons visible.

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 Submit

System upgrade confirmation: Check snapshot before proceeding.

This will fire up the upgrade process and start upgrading packages. The system will automatically reboot on 8.6.0.20 once completed. We can check the version by going to Settings -> System Details

System Details page shows vRSLCM version 8.6.0.20, vendor VMware Inc.

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

Unexpected error message: Check server connectivity and retry.