HTTP Error 500.21-internal Server error solution

HTTP Error 500.21-internal Server error solutionCategory: ASP . 2012-07-04 12:59 18260 People read Comments (5) favorite reports Serveriiswindows Platform 2010 recently reinstalled the Windows7, after installing the VS2010 development platform, publishing the Web site to IIS, the following error occurred:

HTTP Error 500.21-internal Server error handler "Nickleecallbackhandler" has an error module in its module list "Managedpipelinehandler"

Cause: After you install the framework v4.0, IIS is enabled, causing the framework to not be fully installed

FIX: Start with all programs, accessories, right-click Command prompt, run as Administrator->%windir%\microsoft.net\framework\v4.0.30319\aspnet_ Regiis.exe-i

HTTP Error 500.21-internal Server error solution