During install it get stuck on "Getting ready" for several hours and then continue with installation. On first post-install boot, it get stuck again for several hours and then continue to desktop.
Under services tab there are preconfigured settings which are supposed to be safe but both the options (winterstorm/black viper) disable "WAP Push message Routing Service".
The installer seems to wait for some response from this service and continue installation only after waiting a couple of hours without getting a response. I don't know why, but on the Microsoft forums (and recently even here) there are reports of this problem.
Changing the value from disabled to manual fixes everything.
You may want to change the configuration files to prevent other users going into this.
Under services tab there are preconfigured settings which are supposed to be safe but both the options (winterstorm/black viper) disable "WAP Push message Routing Service".
The installer seems to wait for some response from this service and continue installation only after waiting a couple of hours without getting a response. I don't know why, but on the Microsoft forums (and recently even here) there are reports of this problem.
Changing the value from disabled to manual fixes everything.
You may want to change the configuration files to prevent other users going into this.