Not available for either of my IP machines yet, still on Version 1709 Build 17093.xxx.

Try this free Windows-based program to make an .iso file from that DVD [I've used an older version]:
Download BurnAware Free - MajorGeeks

One of mine also and it was a clean install back with the earlier Technical Preview and Upgraded and updated fully since. It mentions Enterprise in at least 2 places in that Registry item. But, in...

I got both of my older IP computers updated today, a Dell OptiPlex 755 and a Dell Inspiron 530S [SFF], no apparent issues yet.