Real Case: .Net Apps – "No connection could be made because the target machine actively refused it" (basic)

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 working with show different stack traces but the main point here is that exception is…

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Real Case: IIS and Asp.Net hanging or poor performance (intermediary)

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, i.e pinpoint where…

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