Network Management

UDT 2026.2 Compatibility checker is broken

This article confirms a new known issue in UDT 2026.2 Compatibility Checker. Users cannot complete Layer2 and Layer3 checks for a node.

First published date

8/13/2026 12:33 PM

Last published date

10/26/2026 9:04 PM

Overview

The UDT Compatibility Checker fails to complete Layer 2 and Layer 3 checks against a node, returning the error Completed with status: error (Cannot change the name of the DataSet to an empty string). 

Error:

Completed with status: error (Cannot change the name of the DataSet to an empty string)

ERROR - System.ArgumentException: Cannot change the name of the DataSet to an empty string.
   at System.Data.DataSet.set_DataSetName(String value)
   at SolarWinds.UDT.Common.Services.UdtJobResultData.ToDataSet()
   at SolarWinds.UDT.Common.Services.UdtJobResultData.Merge(UdtJobResultData summary)
   at SolarWinds.UDT.Checker.Manager.TaskProcessResult(Task task)
   at SolarWinds.UDT.Checker.Manager.SafeCall(Task task, Action`1 method)

Product section

User Device Tracker

Cause

This has been identified as a known issue in UDT 2026.2.

Resolution

This issue is addressed in UDT 2026.4.1. Consider upgrading your environment.