Build Host not working with VS 2012

I'm having an issue with the build host.
The description I get is:
"Warning            4          There is a minor mismatch between the installed Xamarin.iOS (version on the Mac Build Host and the local Xamarin.iOS When applying updates, make sure to keep both the Mac and Windows in sync."

But both versions are the latest.

And sometimes, I'm having this: "Failed to retrieve SDK status from server " also.


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