You can upgrade any outdated Software Agents on vSphere to TLS 1.2 after migration using vRealize Automation Appliance Management.
This procedure updates the outdated Software Agents on the virtual machines from your source environment to TLS 1.2 and is required for migration to vRealize Automation 7.4.
Prerequisites
Apply Software Agent Patch if you migrated from vRealize Automation 7.1, or 7.3 to 7.4.
Successful migration from vRealize Automation 7.1, 7.2, 7.3 or 7.3.1 to 7.4.
You have used Health Service to identify virtual appliances with outdated Software Agents.