Although the Windows ADK 10 is downloaded and installed, WinPE (Windows PE) 10.0 preboot does not show it as installed. Following warning appears in the console:

To use WinPE 10.0 as a preboot environment, you must first download and install the Windows ADK for Windows 10. You will only need to select "Deployment Tools" and "Windows Preinstallation Environment (Windows PE)" options from the setup. Note: You will only need to do this once to prepare DS to use WinPE 10.0 as a preboot environment. Once this step is complete, you will not be prompted again.

In 'PreBootOs.ini' file the INSTALLED value for [WINPE10_X86] and [WINPE10_X64] shows as 'False'.

Follow below steps to resolve the problem:

1. Locate PreBootOs.ini on SMP (Symantec Management Platform) server at "\Program Files\Altiris\Deployment\BDC\bootwiz\".
2. Navigate to the lines [WINPE10_X64] and [WINPE10_X64] and modify INSTALLED=False to True.
3. This will aid the system to consider that ADK has been installed.
4. Save PreBootOs.ini and re-launch the SMP console.
5. Access the Preboot Configurations window under Settings > Deployment > Manage Preboot Configurations.
6. Verify that 'Active' option shows 'WinPE 10.0.