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Debugging Applications in IIS and Various Authentication Mode

Debugging Applications in IIS and Various Authentication Mode

26 Aug 2022
Advanced
5.12K Views
2 min read

We can easily debug any web application that is hosted on IIS by attaching worker process of that application to Visual Studio as shown below.

From Visual Studio IDE > Tools > Attach to Process Select the particular Process, then start debugging.

IIS Debugging

Then click on attach button

IIS Debugging

Now, enjoy debugging with Visual Studio.

Debugging With VisuaStudio

Different Authentication Mode Available for IIS Remote Debugging

There are two authentication modes available in IIS for remote debugging:

  1. No-Authentication

  2. Windows Authentication

Windows Authentication

Msvsmon provide high level security with the windows authentication mode. The user who want to debug the application remotely he should be authenticated, means he should have sufficient permission to access the debugging facility from the remote system.

No-Authentication

There is no security involved with this authentication mode. Anyone can debug remotely, if the authentication mode is set to "No-Authentication". As this debugging mode is not at all secure, so it should be used only on secure network.

IIS Allows Multiple User to Remote Debug Simultaneously

This is one of the most fantastic features of Msvsmon tool. Msvsmon debugging monitor tool allow multiple user to debug simultaneously. Each instance of the remote debugger has a unique server name. As I have already shown that server names are configurable, so we can give an instance of the remote debugger any server name. Now multiple user can able to access the same.

aspnet_regiis -i Command

The following command installs the ASP.NET version that is associated with the ASP.NET IIS registration tool and updates the script maps of all existing ASP.NET applications. Note that only applications that are currently mapped to an earlier version of ASP.NET are affected.

Default Location for IIS Log Files

The default location for IID log files varies from IIS versions. In IIS6 & IIS7 these are given below-

  1. For IIS7: %SystemDrive%\inetpub\logs\LogFiles

  2. For IIS6: %windir%\System32\LogFiles

Common Errors & Status Codes in IIS

Status Code
Description
100
Informational
200
Successful
300
Redirection
400
Client Error
Summary

I hope now you have a better understanding about Remote IIS Debugging. Your valuable feedback, question, or comments about this article are always welcome.

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About Author
Shailendra Chauhan (Microsoft MVP, Founder & CEO at Scholarhat by DotNetTricks)

Shailendra Chauhan is the Founder and CEO at ScholarHat by DotNetTricks which is a brand when it comes to e-Learning. He provides training and consultation over an array of technologies like Cloud, .NET, Angular, React, Node, Microservices, Containers and Mobile Apps development. He has been awarded Microsoft MVP 8th time in a row (2016-2023). He has changed many lives with his writings and unique training programs. He has a number of most sought-after books to his name which has helped job aspirants in cracking tough interviews with ease.
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