IIS 8.5 – How to log client port number

When an HTTP request is made from a client machine to a web server, a TCP connection is established between the client and the server machines. That TCP connection is built on the port numbers on both server and client sides. A web server, for example IIS, listens on port 80 for HTTP and on…

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Collecting a memory dump with ProcDump when ASP.NET ISAPI is reported unhealthy or deadlock detected in an ASP.NET application

PROBLEM You are running an ASP.NET application in IIS. You noticed that the worker process shuts down and restarts. At the same time you see one or both of the following events in the event logs: Event ID 2262: ISAPI ‘C:\Windows\Microsoft.NET\Framework\<version>\aspnet_isapi.dll’ reported itself as unhealthy for the following reason: ‘Deadlock detected’. Event ID 5013: A…

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IIS application pool may be terminated while collecting dump

Consider the following scenario: You are running a web application on IIS and you need to collect a memory dump of the application pool process (w3wp.exe). W3wp.exe in subject consumes huge memory, for example, around 40 GB, and it takes some time to write the dump file. When you try to collect a memory dump…

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Free e-book – Windows 8.1 Universal application development

A colleague of mine, Matteo Pagani, has published a free e-book about Windows 8.1 Universal Application Development, it is a second part of the same topic. Below is what he says about it: More Windows 8.1 Succinctly Move beyond the development stage and present your apps to the world. In this final volume, author Matteo…

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