https://www.dotnetzone.gr:443/cs/blogs/ppolyzos/archive/2017/03/24/service-fabric-and-not-authorized-to-connect-error.aspxWhen starting playing with Service Fabric in Visual Studio, you may come to the following error when trying to debug your application: [crayon-58d4fc5335609826171657/] The error although may look tricky, is very easy to fix and happens when you have createdenCommunityServer 2.1 SP3 (Build: 20423.1)