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How to upgrade Veeam ONE to v12.1

Posted on 13/01/202426/05/2026 IT Expert By IT Expert No Comments on How to upgrade Veeam ONE to v12.1
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Upgrade for Veeam ONE

Veeam ONE v12.1, the monitoring and analytics engine of Veeam Data Platform, delivers proactive management with real-time visibility to ensure confidence in your ability to monitor and maintain your best line of defence. In this blog post, you will learn how to upgrade Veeam ONE to v12.1. Please see Install PostgreSQL on Windows server as Veeam Database Engine, and How does DELL Free Fall Data Protection work?

This robust solution provides real-time monitoring, business documentation, and management reporting across various Veeam products, including Veeam Backup & Replication, Veeam Backup for Microsoft 365, VMware vSphere, VMware Cloud Director, and Microsoft Hyper-V.

Veeam recently released the 12.1 update and this update affects three key components, including Veeam ONE as mentioned in this guide “How to upgrade Veeam Backup and Replication v11 to 12.1“. 

As system Admins, we run into issues while performing upgrades. For me, this was not an exception. Due to this, Veeam could not install the “Client Certificate Mapping Authentication” due to missing components as a result of interruption in the Windows update installation.

Here are the associated errors resolved: Fix Windows 10 Setup 1809 build 10.0.17763.1 is not supported Error, how to fix Windows update Install error 0x800700b7, Fix Keep personal files and apps option greyed out during Upgrade, and how to fix the Error 0x80073701: The request to add or remove features on the specified server failed.

Here is a guide on to install the missing components on How to fix Client Certificate Mapping Authentication error.

system conf check 2
system conf check 2

What’s new in Veeam ONE 12.1

Below is a list of major new features and enhancements added in V12.1 and available in the Veeam Data Platform, with features being included in both the Advanced and Premium editions.

For a comprehensive list of the enhancements in the "Veeam ONE 12.1 - What's New".

Veeam Threat Centre

This feature is new in v12.1. It provides an intuitive landing page that provides businesses with a panoramic view of their data protection status across the entire platform encompassing on-premises systems, enterprise applications, the public cloud, and physical workloads. This comprehensive insight ensures that organizations worldwide uphold uncompromised data integrity and security.

Unified Analytics-Driven Approach to Data Management

The Veeam Backup & Replication console introduces the all-new “Analytics” section, aiming to offer an immersive and tailored experience for the unique operational scope of each backup server. Kindly take a look at the What’s New guide for more information.

Alarm Lifecycle

Veeam ONE v12.1 introduces seamless integration with ServiceNow designed for Enterprises, enhancing incident management capabilities and providing a significantly improved alarm lifecycle management experience. This enterprise-ready feature amplifies your ability to manage incidents effectively.

Download Veeam ONE 12.1

The upgrade to version 12.1 is supported starting from Veeam ONE version 10a (build #10.0.2.1094). Kindly Download the ISO file from the Veeam website and run the installer. Once the ISO has been downloaded, you’ll then need to mount it

Mount-the-installation-image

Please see the video on how to configure Windows LAPS, the video on how to remove third-party cookies from Microsoft Edge, and the video on Disabling Developer Tools in Microsoft Edge

Upgrade Veeam ONE 12.1

The installer detects a previously installed version and displays the upgrade option. Click Upgrade to proceed. If Autorun is not available or disabled, run the Setup.exe file from the installation image.

Veeam 12.1 Upgrade

Select Veeam ONE 12.1

veeam one v12.1

Click Upgrade Veeam ONE. This will initialize the setup wizard. Please wait for a few minutes.

upgrade veeam one

Read and accept the license agreement, and click “I Accept“.

accept the license agreement

Veeam ONE Setup wizard will automatically detect components of the previous version installed on the machine. At the Upgrade step of the wizard, review the components to upgrade and click on next.

components to upgrade

Choose the license provisioning method

Click one of the two options to provide a license below. I will be using the option to browse the license file locally on my device.

  • Sign-in with Veeam — open the Veeam account Sign-in screen to log in with your Veeam account credentials if you already have a registered license on your account.
  • Browse the licence file locally — specify the local path to the license file.
browse license file

Since I also requested a trial licence, I will be using this solely for demonstration. I will have to browse the locations of my license file.

license details

Specify service account settings. This will detect the current account used. For me, I have decided to use my local administrator’s credentials. Therefore, I will change this. Click Next to proceed.

specify service account

Perform System Configuration Check

At the System Configuration Check step of the wizard, check what prerequisite software is missing.  To learn what software is required for Veeam ONE, see System Requirements.

In my case, it failed with the error below. See how to fix Client Certificate Mapping Authentication for Veeam One, and how to Export and remove Passwords in Firefox.

System Configuration Check

Select SQL Server instance for VEeam ONE

The next screen is the Database screen, which will detect the currently installed version of SQL and the database. Click Next to keep the current settings.

Note: If you are unable to conenct to the SQL Server, ensure the SQL Server Service is running.
SQL Server instance for VEeam ONE

At the Port Configuration step of the wizard, specify connection settings for Veeam ONE Monitoring Service.

In the Veeam ONE monitoring service port field, type a number of the port that will be used to interact with Veeam ONE Monitoring service. The default port number is 2714.

Port configuration for Veeam ONE

Perform Veeam Upgrade from v11 to v12.1

Perform Veeam Upgrade from v11 to v12.1

Veeam upgrade step 1of 4. At this step, the Veeam ONE client will be upgraded.

Veeam upgrade step 1of 4

Veeam upgrade step 2 of 4

Veeam upgrade step 2 of 4

Veeam upgrade step 3 of 4

3 of 4 - Veeam ONE upgrade

Step 4 of 4 of Veeam upgrade to v12.1

4 of 4 veeam ONE upgrade

The upgrade of Veeam ONE is comeplete. Click on Finish as shown below.

Finished Veeam ONE Upgrade

Now, the server needs to be restarted for the configuration changes to take effect. Click Yes!

Restart Server

Acess Veeam ONE via Veeam ONE Client or Veeam ONE Web Client

To do this, launch either the Veeam ONE Client or Veeam ONE Web Client

Veeam ONE Client or Veeam ONE Web Client

Click on connect to launch Veeam ONE Web Client

Veeam ONE web Client

Start working with Veeam ONE. You can now start adding servers for monitoing if you have not done so already.

FAQs

What does Veeam ONE v12.1 offer in terms of new features and enhancements?

Veeam ONE v12.1 introduces several new features and enhancements, providing users with improved functionality and performance. Discover the latest capabilities that make managing and monitoring your virtual environment even more efficient. see the Release History for Veeam ONE 12.1.

What kind of support and resources are available for Veeam ONE v12.1 users?

Veeam ONE v12.1 users have access to a comprehensive support system, including documentation, knowledge base articles, and a vibrant community. Explore the wealth of resources available to assist you in optimizing your experience with Veeam ONE.

I hope you found this article useful on how to upgrade Veeam ONE to v12.1. Please feel free to leave a comment below.

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Backup Tags:how to update Veeam ONE monitoring server, How to upgrade Veeam ONE to v12.1, Microsoft Windows, migrate Veeam ONE to v12.1, step by step Veeam ONE upgrade, upgrade Veeam ONE database version compatibility, upgrade Veeam ONE to latest version, Veeam One, Veeam ONE upgrade best practices, Veeam ONE upgrade guide v12.1, Veeam ONE upgrade prerequisites, Veeam ONE v12.1 installation upgrade steps, Veeam ONE v12.1 upgrade process explained, Veeam ONE version upgrade troubleshooting, Windows Server 2016

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