Step by Step Guide Veeam B&R 9.5 U3a Upgrade

Veeam released Veeam Backup and Replication 9.5 Update 3a, which contains some significant improvements: VMware vSphere 6.7 and VMware vCloud Director 9.1 support, Microsoft Windows 10 & Microsoft Windows Server Updates integration and others…

You can learn more about Veeam Backup & Replication 9.5 U3a new features here.

This technical article provides a step by step guide to upgrade Veeam B&R 9.5 Update 3a (version,,,,, or to Veeam B&R 9.5 Update 3a build be version (Veeam Backup and Replication 9.5 U3a Upgrade). If you need to upgrade your Veeam Backup Server (v8 or v9) you can follow this article.

For more security:

The first step is to realize a configuration backup of Veeam server (“Configuration Backup” menu on the screenshot below) and SQL database backup. If the Veeam Backup Server is deployed on a Virtual Machine, execute a backup of this VM with Veeam B&R or a snapshot.

Veeam Menu

When the backup is done, you can close Veeam software and restart the Windows server (reboot). Basically, I recommend you to stop properly the 6 Veeam services before upgrading (services.msc).

Running the Installer:

Veeam B&R 9.5 U3a Upgrade: You have to run the installation file “veeam_backup_9.5.0.1922.update3a_setup.exe”.

Veeam files

Installation Wizard:

Once wizard is launched, click on “Next” button.

Veeam Wizard

Veeam will prompt to install the upgrade, click “Install”.

Veeam Wizard

The upgrade took about few minutes to complete.

Once the upgrade completed, a prompt appeared to finalize the installation. Click on “Finish” button.

Post Reboot:

When the upgrade is done, I recommend you to restart properly the Windows server (reboot).

Once the reboot completes and Veeam B&R software has been opened, a prompt will appear to update all distributed components (especially Mount Server and vPower NFS). Click on “Apply” button.

Veeam Wizard

Veeam Wizard

Finally, when all components have been upgraded, you can click on “Finish” button.

Veeam Wizard

Veeam B&R 9.5 Update 3a does not require new job creation or any architecture changes for your existing backups and replication to work. If there are dedicated Veeam proxy servers in the environment, now is a good time to upgrade those servers, otherwise, Veeam is now ready to use. Version:

Veeam Wizard

I recommend you to execute active full backup to benefit from the new backup mechanism.


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