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Thread: [RESOLVED] Unable to start debugging on web server

  1. #1

    Thread Starter
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    Resolved [RESOLVED] Unable to start debugging on web server

    I was working away just fine on my ASP.NET 2.0 application (Win7 64 bit, IIS 7.5.76) when all of a sudden I get a pesky error message "Unable to start debugging on web server" when I start the app in Visual Studio. The error message (attached) is HTML text and is so long that I can't even get to the bottom of it to see what the punchline is. It happens with debug switched on and off. Any help would be appreciated...

    Name:  error.jpg
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Size:  218.1 KB

  2. #2
    King of sapila
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    Re: Unable to start debugging on web server

    2 Things.
    First remove the <!-- from the 6th line then restart your computer.
    Edit. Ignore the <!-- , just check that you don't have it on your html. do a restart and if the problem persist provide more details on what you do.
    Last edited by sapator; Nov 13th, 2013 at 09:37 PM.
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  3. #3

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    Re: Unable to start debugging on web server

    I opened up my website in IE and a detailed error enabled me to resolve this by going into my application pool's advanced settings and changing "Managed Pipeline Mode" setting to "Classic".

  4. #4
    ASP.NET Moderator gep13's Avatar
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    Re: [RESOLVED] Unable to start debugging on web server

    This is an interesting one, can't say I have seen that before.

    Thanks for posting back with the solution!

    Gary

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