书名：System Center 2016 Virtual Machine Manager Cookbook（Third Edition）
作者名：Roman Levchenko Edvaldo Alessandro Cardoso
本章字数：199字
更新时间：2025-04-04 17:26:36

How it works...

Just like all upgrade processes, the VMM upgrade process requires planning. Start by confirming that the current server/VM meets the system requirements for a newer VMM.

Decide the upgrade method, either an in-place upgrade and upgrading to another server. An in-place upgrade will not be successful if the database version is not supported.

Back up the current VMM database. If you're running SQL Express Edition, you will need to uninstall the existing VMM server, retaining the data. You will then need to install a fully-supported SQL version, restore the VMM database, and then start the VMM upgrade process.

If you are running a small VMM installation, you can install SQL on the same server, as long it is not a HA VMM.

Start the VMM installer and carry out the upgrade steps, reviewing and paying special attention to the database and DKM configuration, and confirming your options in all of the upgrade dialogs. At the end of the process, open the VMM console to confirm the upgrade and update the agent hosts to the newer VMM.

During the migration process, if the database is not compatible, the following pop up dialog (showing an error) will appear: