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Veeam Backup & Replication 9.5
User Guide for Microsoft Hyper-V

Installing Updates in Unattended Mode

Veeam Backup & Replication Updates can be installed in the unattended mode.

To install a Veeam Backup & Replication Update, perform the following steps:

  1. Download the Update installation archive.
  2. Install the Update on the backup server.

Step 2 is performed in the unattended mode.

Installing Updates in Unattended Mode Important!

The script installing Veeam Backup & Replication Updates must be run with elevated privileges (run as Administrator).

Step 1. Download Update Installation Archive

  1. Download the installation archive for the Veeam Backup & Replication Update from
  2. Extract the executable file from the downloaded archive.
  3. Save the extracted file locally on the backup server where you plan to install the update, or place it in a network shared folder.

Step 2. Install Update

To install the Veeam Backup & Replication Update on the backup server, use the following command syntax:

%patch% [/silent][/noreboot][/log <log_path>][VBR_AUTO_UPGRADE=1]

The command has the following parameters:








Specifies a path to the Update installation file on the backup server or in a network shared folder.



Sets the user interface level to “no”, which means no user interaction is needed during installation.



Suppresses reboot if reboot is required during the Veeam Backup & Replication Update installation.




Specifies a full path to the log file for the Veeam Backup & Replication Update installation.




Starts automatic upgrade for existing components in the backup infrastructure. Set this parameter to 1 to enable components upgrade.

Automatic components upgrade is performed after the Veeam Backup Service on the backup server is started.

For example:

You want to install the Veeam Backup & Replication Update with the following options:

The command to install the Veeam Backup & Replication Update will be the following:

C:\Temp\VeeamBackup_Replication_9.5.0.823_Update1.exe /silent /noreboot /log C:\Logs\veeam.log VBR_AUTO_UPGRADE=1

Installation Results

You can use the last exit code to verify if the installation process has completed successfully.

Veeam Backup & Replication does not provide any confirmation about the results of automatic components upgrade. To check if components have been successfully upgraded, use the Veeam Backup & Replication console.

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