You can upgrade from Unified Manager version 7.1 or 7.2 to Unified Manager 7.3.
During the upgrade process, Unified Manager is unavailable. You should complete any running operations before upgrading Unified Manager.
If you have paired Workflow Automation and Unified Manager, you must manually update the host name in Workflow Automation.
You can log in to the web UI to use the upgraded version of Unified Manager. Note that you must wait for the discovery process to finish before performing any task in the UI.