Running Multiple Version of .Net Framework in IIS 6.0

June 15, 2006 at 8:49 am · Filed under IIS

Different versions of .Net framework can work side by side in a single web server (IIS). But after porting my finished project to the production server (IIS 6.0 running on Windows Server 2003), I got this error message:

I have projects made with .Net framework 1.1 and 1.0 working well side by side with my 2.0 web applications but migrating it to an IIS 6.0 made my app behave that way. What seems to be the problem?

Read the full article…

20 Comments

  1. Mahesh Bhat said

    September 2, 2006 @ 3:13 pm

    Dear Francisco,
    I found this artcile when I needed it most and it helped me a lot.
    Thanks a lot for the article.
    Mahesh

  2. Ehsan said

    December 12, 2006 @ 5:15 pm

    Really thanks

  3. DavidB said

    December 21, 2006 @ 5:44 am

    Thanks for this article. It helped us a lot.

  4. Mona said

    March 22, 2007 @ 9:32 am

    Thanks. I’ll try it to my server. Hope it works.

  5. ravinder said

    May 1, 2007 @ 2:14 pm

    found ur article just in time to save my neck

  6. LuigiBaby said

    June 1, 2007 @ 11:49 pm

    Hi,

    Great article, thanks. You could add a paragraph or two on the fact that one cannot run a root app using .NET 2 and a .NET 1.x app in a virtual directory AT THE SAME TIME, due to Configuration file hierarchy (see http://msdn2.microsoft.com/en-us/library/ms178685(vs.80).aspx). The other way around (.NET 1.x root and .NET 2 vdir) works just fine, though, provided they use a different app pool, as you mention.

  7. Daniel Santana Rodrigues said

    June 12, 2007 @ 8:35 pm

    Thanks for this article, its very good, save my life. ;-)

  8. Troy A said

    July 5, 2007 @ 7:03 am

    Thanks for the article, saved me be big time.
    Looks like im not the only one

    Thanks :)

  9. Praveen said

    August 16, 2007 @ 7:07 pm

    Hi,
    Found this at the right time.. a real life saver.. keep up the good work.
    And thanx a ton.
    Bye,

  10. hr_sn said

    September 10, 2007 @ 1:29 pm

    You rock! Worked perfectly! :)

  11. S.Sairam said

    September 18, 2007 @ 9:03 pm

    Hi,

    We have tried the option given above but it failed. What do we need to do?

    Please provide us a solutions.

  12. RaviKumar said

    October 12, 2007 @ 8:56 pm

    Excellent and Nicely Drafted !!

  13. Serge said

    November 16, 2007 @ 9:11 am

    Thank you very much for your article, it helped me quite a bit.

  14. Chris said

    November 21, 2007 @ 11:55 pm

    EXACTLY WHAT I NEEDED!!!!! THANKS!

  15. Afw said

    January 10, 2008 @ 2:13 am

    I went berserk on my server, but now I understand why it constantly crashed. Great article, 100x more usefull as MS KB articles.

  16. David Armstrong said

    March 12, 2008 @ 7:00 pm

    Very useful – thank you!!!

  17. Madan said

    March 12, 2008 @ 7:49 pm

    Good Stuff

  18. Mark Harby said

    April 5, 2008 @ 5:53 pm

    Straight to the point, saved another life.
    Thanks

  19. Lee said

    April 25, 2008 @ 10:54 pm

    Just the job. Thanks for the effort.

  20. Jon said

    May 18, 2008 @ 5:17 am

    Thank you very much; good results the first time setting up the pool. As said earlier in the thread, much better than MS support articles as this cut to the chase (although the answer is probably at MS; just have to wade through the official verbage)

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