Recently we’ve been receiving (by coincidence) some escalations to troubleshoot the same issue. It’s about .Net apps returning the following exception: SocketException::.ctor() 10061:No connection could be made because the target machine actively refused it The cases I’ve been...

This week I'm working on this case related to IIS6 server hosting an Asp.Net application (it's a C# app) whose the performance is poor even when a very low number of users is hitting it. The architecture is the classical web layer accessing the backend DB servers and my goal is to isolate the problem...