So KB5027397 is Microsoft-Windows-23H2Enablement-Package. So if lower iso version is wanted,. look out for Enablement-Package in updates, remove it before build, good to know, nice and easy Thanks.
Code: 1.Set AutoStart =0 and AddUpdates =0 in 22631.2506_amd64_en-us_professional_a8198661_convert\ConvertConfig.ini 2.Download packages, goto 22631.2506_amd64_en-us_professional_a8198661_convert\UUPs folder delete windows11.0-kb5027397-x64.cab 3.Set AddUpdates =1 in 22631.2506_amd64_en-us_professional_a8198661_convert\ConvertConfig.ini 4.Run 22631.2506_amd64_en-us_professional_a8198661_convert\convert-UUP.cmd
Code: Remove CU package for .NET Framework as well. Set AddUpdates =1 in 22631.2506_amd64_en-us_professional_a8198661_convert\ConvertConfig.ini Run 22631.2506_amd64_en-us_professional_a8198661_convert\convert-UUP.cmd
That's what I did. It includes the CU and the CU for .NET Framework. I only want to have the 22621.2506 build without the CU for .NET Framework.
Honestly... Why not use Media Creation Tool or something at this point, install Windows 11, check for updates and let Windows handle it.