Unfortunately, you didnโt miss anything, and at the moment it's pretty messy, and itโs probably wise to keep trying to deploy to VNet until they succeed.
However, if this is what you especially need, your choice will be to save everything in v1 or just have a VNet web application in v1 and create a v2 vNet for your virtual machines (you cannot put a v2 VM in v1 vNet )
v2 VNet VPN-. / IP. , 10 , - Express Route.