Impossible to join Insider Builds
I've got Windows 10 Pro, Version 1703, Build 15063.502, and a shiny new Acer headset.
When I try to join the Windows Insider Program, I first get
Something went wrong
We aren't able to talk to our service right now. Please try again later.
The second time I get
Sorry! Something went wrong...
Error code: 0x80004005
I spent a ton of time debugging this, including everything on this page:
Even in build 15063.502 I'm able to get some Mixed Reality stuff to run. Is the fast ring absolutely required for the dev tools?