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- Updating Veeam Installer Service fails with "Another version of this product is already installed"
Updating Veeam Installer Service fails with "Another version of this product is already installed"
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Challenge
When updating the Veeam Agent for Microsoft Windows deployment on a machine that is part of a 'Computers with pre-installed agents' Protection Group, attempting to run VeeamInstallerSvc.msi causes the error message:
Another version of this product is already installed.
Installation of this version cannot continue.
To configure or remove the existing version of this product,
use Add/Remove Programs on the Control Panel.
Cause
This error occurs because the existing version of the Veeam Installer Service must be uninstalled before installing a new version.
Solution
Review the Update Procedure for Windows Computers section of the Veeam Agent Managed User Guide for more information on updating Windows computers associated with a 'Computers with pre-installed agents' Protection Group.
More Information
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