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Sunday, March 6, 2016

MP Control Manager detected management point is not responding to HTTP requests. The HTTP status code and text is 503, Service Unavailable.

I was playing in my SCCM 1511 test environement and started to notice that my MP is not working anymore.
mpcontrol.log said that there is error 503 "Service Unavailable".

I reinstalled MP, but that didn't help. I reinstalled IIS and MP and that also didn't help.

Finally I found out here https://technet.microsoft.com/en-us/library/mt589738.aspx that MP needs to have .NET Framework 4.5.2, but I had only .NET 4.5.
After installing .NET 4.5.2, errors disappeared in mpcontrol.log and MP started to work.

Hope this helps!

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