Hi,For agents -https://techdocs.broadcom.com/us/en/ca-enterprise-software/intelligent-automation/workload-automation-system-agent/12-1/installing-and-upgrading/roll-back-an-upgrade.htmlFor servers - https://techdocs.broadcom.com/us/en/ca-enterprise-software/intelligent-automation/ca-workload-automation-de/12-3/installing/upgrade-the-ca-workload-automation-de-server/upgrade-the-server-using-in-place-upgrade-method.html