A: When you install the SCSM Management Server, you have to enable the .NET Framework 3.51 framework and role services of IIS. You don't need to install is the "Static Content" role service for the management server. However, this is required for the web portal—without it, your web portal will look like this:
You therefore need to start Server Manager, navigate to Web Server (IIS), and under Role Services, click Add Role Services and enable Static Content.
Once you've installed Static Content, if you refresh the web page it will now look correct, as shown here.