My contact asked that you take a look at https://docs.microsoft.com/en-us/surface/surface-device-compatibility-with-windows-10-ltsc and stated
"
- Surface Pro (Model 1796) supports Windows 10 Version 1703 (the Creators Update, Build 15063) and above.
- Windows 10 Version 1607 (the Anniversary Update, Build 14393) and earlier versions of Windows are not supported.
- Windows 10 Enterprise LTSB Version 2016 (Version 1607, Build 14393) and Windows 10 Enterprise LTSB Version 2015 (Version 1507, Build 10240), are not supported on Surface Pro (Model 1796). "