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ASP.Net 2.0 Not Enabled Error During SCOM 2007 Prerequisite Check

During a Prerequisite check of installing System Center Operations Manager (SCOM) 2007, you may notice that you receive an error displaying that ASP .Net 2.0 is not enabled. If .Net Framework 2.0 has been installed, this error will occur if the .Net Framework 2.0 was installed prior to the installation of Internet Information Services (IIS). To prevent this issue, ensure that IIS is installed prior to the installation of .Net Framework 2.0. To work around an existing issue, do the following:

  1. Navigate to C:\Windows\Microsoft.NET\Framework\v2.0.50727
  2. Type aspnet_regiis.exe –i –enable
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  1. phr00zen
    July 17, 2008 at 7:43 pm

    I am getting this same error.
    I tried the workaround but am getting a 32bit kinda error.

    C:\WINDOWS\microsoft.net\Framework\v2.0.50727>aspnet_regiis.exe -i -enable
    The error indicates that IIS is in 64 bit mode, while this application is a 32 bit application and thus not compatible.

  2. Mohamed Fawzi
    July 17, 2008 at 10:47 pm

    try this one
    CSCRIPT %SYSTEMDRIVE%\Inetpub\AdminScripts\adsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 1

  3. Gabriel
    August 13, 2008 at 11:35 am

    Same error. I uninstalled dotnet 2.0, 3.0 and iis, the re-install iss first, then dotnet 2.0 (and then 3.0): solved.

  4. Mohamed Fawzi
    August 13, 2008 at 11:45 am

    Congratulations 🙂

  5. glate
    September 17, 2008 at 6:13 pm

    the directions are incorrect for an x64 OS.

    1. Navigate to C:\Windows\Microsoft.NET\Framework64\v2.0.50727
    2. Type aspnet_regiis.exe –i –enable

    Notice the directory is Framework64, not Framework

  6. Mohamed Fawzi
    September 17, 2008 at 6:36 pm

    Thanks for Info

  7. December 18, 2008 at 2:52 pm

    Its worth mentioning here that for Windows Server 2008 installs, you MUST install the IIS6 Management Compatability role service for the ops manager pre-req’s check to work, otherwise you’ll just go round in circles…

  8. Jay
    February 16, 2009 at 3:40 pm

    Thanks Ross, you rock dude !

    I’ve been looking for a solution for about a week, and it seems that you’re right ! I installed the IIS6 Management Compatibility role service, and AT LAST I passed the prerequesites !

    Thanks again 😉

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