Gotchas:

• HTTP Error 500.19
  • (Re)install .NET Core Windows Server Hosting
• HTTP Error 502.5
  • Your appsettings.json is corrupted
• If you get the following error “The certificate chain was issued by an authority that is not trusted”
  • Change 'TrustServerCertificate' into 'true'
• If you use Domain User Login for SQL-Server
  • Extend your Connection String with 'Integrated Security=true'
• If you reinstall your Unique ID provider service, shutdown the Application Pool and the Website