Chris Nackers

ConfigMgr / SCCM

Configuration Manager MPCERT and MPLIST Returning HTTP Error 500–Internal Server Error

2010-11-09

From the archive (2010). Written for the tools of the time, so some details may be out of date.

I recently had an issue with my hyper-v lab where my MP quit working.  It’s a test lab so I’m making changes all the time.  So no big surprise there. However, uninstalling the MP and even uninstalling/installing IIS didn’t resolve the issue.  I kept getting a failed attempt when running the MP Troubleshooter and when trying to browse to the web page to verify the MP.  Again, thanks to a colleague for pointing me in the right direction.

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You can use these links to test your MP:

http://servername/SMS\_MP/.SMS\_AUT?MPCERT

http://servername/SMS\_MP/.SMS\_AUT?MPLIST

What ended up resolving the issue was running the following command and then restarting IIS.

cscript.exe %SYSTEMDRIVE%\inetpub\adminscripts\adsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 0

Be sure to add the scripting tools in order for this command to work.  I think it’s a good idea to add both the IIS 7 and the IIS 6 tools for your lab environment.

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