May 032012
 Posted by on May 3, 2012 at 11:39 am Microsoft IIS Web Server, Web Servers Tagged with: , ,  Add comments

while accessing the url we get 500 internal server error like below

IIS 7.5 weblogic error

Config’s are like below:

Directory of C:\inetpub\wwwroot contains both iisproxy.dl and iisproxy.ini

iisproxy.ini has below configurations

C:\inetpub\wwwroot>type iisproxy.ini

# This file contains initialization name/value pairs
# for the IIS/WebLogic plug-in.

Handler Mappings

Handler Mappings 1

ISAPI AND CGI Restrictions

Copy all 33 .dll files from the downloaded plugin lib folder to C:\inetpub\wwwroot and make sure that all of them have permissions for the IIS user.

Reboot the server and check, it should work.


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  One Response to “500 internal server error on IIS 7.5 plugin V1.1 and Weblogic 10.3.x”

  1. Recently had this error 500 with the IIS WebLogic plugin myself and having followed this, the error still occurred.

    The problem turned out to be files such as msvcr110.dll, msvcp110.dll were missing and the 12c plugin at least requires these. This was solved by installing the Visual C++ Redistributable for Visual Studio 2012 – available at

    After installing, killing the w3wp.exe process and relaunching the website, the 500 error finally went away.

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