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How to Force Enterprise Manager Login to Use Form-Based Authentication

KB ID: 2089
Product: Veeam Backup & Replication | 12 | 12.1 | 12.2 | 12.3 | 12.3.1 | 12.3.2
Published: 2016-01-15
Last Modified: 2026-04-17
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Article Applicability

This article applies to Veeam Backup & Replication 12.x and older, as in those versions, the default was for Veeam Backup Enterprise Manager to utilize a Windows Authentication pop-up (key="useWindowsAuth" value="true").

Starting in Veeam Backup Enterprise Manager v13, the setting discussed in this article had its default value flipped to false, disabling the Windows Authentication pop-up. The settings location was also changed to:

C:\Program Files\Veeam\Backup and Replication\Enterprise Manager\WebApp\appsettings.json

 

Purpose

This article documents how to force Veeam Backup Enterprise Manager to use HTML Form-Based authentication instead of a Windows Authentication Pop-Up.
Example of NTLM-based auth
Windows Authentication Pop-Up
Form Based Auth
HTML Form-based Authentication

Solution

Disable Windows Authentication

  1. Open the web.config file.
    Default Path: C:\Program Files\Veeam\Backup and Replication\Enterprise Manager\WebApp\web.config
  2. Locate the useWindowsAuth key and set the value to false.
    No reboot is required. Simply relaunch the Enterprise Manager webpage.
Default Value: 
<add key="useWindowsAuth" value="true" />
useWindowsAuth location
Default Value Shown

More Information

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