Windows 10 21H1 undeployable on TDAD 3.6.2 standalone

Products

• Endpoint Threat Defense for Active Directory

Issue/Introduction

You are trying to deploy TDAD to Windows 10 21H1 O.S. but TDAD shows the same is "undeployable"

Environment

TDAD 3.6.2 standalone

Resolution

• Locate the Web.config file, which is located here "C:\Program Files\Symantec\Endpoint Threat Defense for AD\dm_pub\Web.config"
• Open the file as administrator 
• Locate the following line "</appSettings>"
• Right above it, change the following line:

      <add key="WIN10NetDeploySupportedBuildVer" value="19403" />  

• Save and close the Web.Config file.
• Log in to the TDAD Web Console, go to "Analytics > Services and Components > Components > Active Directory Topology > Re-Run"
• The correct filter will now apply