Network Management

UDT Inventory pages not accessible after installing 2025.4.1 or 2026.1

This article explains a confirmed product issue where User Device Tracker (UDT) Device Inventory and User Inventory pages fail to load after an upgrade/installation, returning a 404 “not found” experience.

First published date

2/9/2026 6:08 PM

Last published date

2/9/2026 6:28 PM

Overview

When opening the UDT Inventory page, the following error appears '404 - File Not Founds, Ooops...'

 

Product section

User Device Tracker

Cause

The UDT.UdtAllowInventoriesAccess setting is not created automatically.

Resolution

 

  1. Log in to the SolarWinds Platform Web Console.
  2. Navigate to Settings > All Setting > Manage Accounts.
  3. Select the affected user account.
  4. Click Edit, then click Submit.
         This will create the missing 'UDT.UdtAllowInventoriesAccess' setting for the user.
  5. Reload the UDT Device Inventory or User Inventory page.

After performing these steps, the issue will be resolved.

Development has confirmed that this issue is expected to be fixed in an upcoming release. Follow this article for updates.