Unable to start debugging on the web server. Debugging failed because integrated windows authentication is not enabled.

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Thursday, August 21, 2008

Unable to start debugging on the web server. Debugging failed because integrated windows authentication is not enabled.

I've been developing using Visual Web Developer 2008 and Visual Studio 2008 exclusivily for the last 6 months. I've also been using Windows Vista for the same amount of time. I needed to work with a third party control that apparently could only be designed in Visual Studio 2005. So I loaded the project into VS 2005 and hit run, and received the following error.

"Unable to start debugging on the web server. Debugging failed because integrated Windows authentication is not enabled."

This was my first time to run VS 2005 in Windows Vista. After fittling around with IIS7 settings for a while, I found that this issue is easily fixed with the following Microsoft Hotfix.

http://support.microsoft.com/kb/937523

Once I ran this hotfix, the error was gone and I could debug as expected.

jeremy at 10:00 PM | (18) Comments | Add a comment | Permalink

Commments

Charles Enchill said...

I had a similar experience but in my case, i had been developing with VS 2005 on a windows vista box without any debugging issues when i created my web projects as a file system project using the built-in VS web server. However, i suddenly had this same error when i created my first project using IIS. Only God knows how frustrated i was until i bumped into your post. Thank you so much for sharing this info, 'cause it worked for me and i am able to debug my IIS applications now.

Saturday, October 18, 2008 9:35 PM

rk said...

read this wonderful article. <a href='http://rajmittal.blogspot.com/2008/07/unable-to-start-debugging-on-web-server.html'>Unable to start debugging on the web server</a>

Monday, November 10, 2008 3:06 AM

Flipminohd said...

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Wednesday, June 02, 2010 10:11 PM

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Friday, June 11, 2010 11:39 AM

Agile Informatics said...

Stepping into a Web application or XML Web service failed because integrated Windows authentication is not enabled. For this reason, authentication of the user requesting debugging could not be done.

Friday, July 16, 2010 1:45 AM

Kuber Infotek said...

The SQL Server Management Studio Express (also installed OK) appears to connect to the database server and shows the database tree as I would expect, consisting of Databases, Security, Server Objects, Replication, and Management.

Friday, July 16, 2010 2:54 AM

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I am writing my first ASP.NET application (I use .NET 2.0, Visual Web Developer 2005 Express Edition and SQL Server 2005 Express Edition). The application builds successfully but when I try to start debugging from Visual Web Developer I receive message box

Friday, July 16, 2010 6:15 AM

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Tuesday, July 27, 2010 8:40 AM

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Saturday, August 21, 2010 7:30 AM

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hotfix is really cool... it also helped me in debug the problem.

Monday, August 23, 2010 6:26 AM

web development said...

Wow thanks for that article. I was unable to start debugging on my web server too. I have tried everything I could, till I found your blog. This hotfix that you've posted worked like charm! Thanks for your help a lot.

Wednesday, August 25, 2010 12:10 PM