This is an archive version of the document. To get the most up-to-date information, see the current version. Upgrading to Veeam Backup Enterprise Manager 12.3 Before you upgrade Veeam Backup Enterprise Manager to version 12.3, check prerequisites.To upgrade Veeam Backup Enterprise Manager, take the following steps:Start the upgrade wizard.Select Enterprise Manager as a product to upgrade.Read and accept the license agreements.Review Enterprise Manager components to upgrade.Provide a license file.Install missing software.Specify a service account.Specify a database server.Begin upgrade.Finalize upgrade.