MP Control Manager detected DMP is not responding to HTTP requests. The http error is %1.%12 Possible cause: DMP service ...

%11MP Control Manager detected DMP is not responding to HTTP requests.  The http error is %1.%12

Possible cause: DMP service is not started or not responding on all DMP physical machines. 
Solution: Manually restart the SMS Agent Host service on the DMP. 

Possible cause: IIS service is not responding. 
Solution: Manually restart the W3SVC service on the MP.

For more information, refer to Microsoft Knowledge Base article 838891.
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Modify permission to both applications is required to delete the application revision which contains supersedence relationship. ... Move the contents of local to the new location. This will copy the redirected folder data into the local UNC location. Then ... MP cannot load the hardware inventory class mapping table when processing %1.%12 Possible cause: MP cannot communicate with ... MP common layer cannot read the registry configuration when processing %1.%12 Possible cause: The corruption of the registry ... MP Control Manager detected DMP is not responding to HTTP requests. The http error is %1.%12 Possible cause: DMP service ... MP Control Manager detected DMP is not responding to HTTP requests. The http status code and text is %1, %2.%12 Possible ... MP Control Manager detected DMP Proxy is not responding to HTTP requests. The http error is %1.%12 Possible cause: DMP Proxy ... MP Control Manager detected DMP Proxy is not responding to HTTP requests. The http status code and text is %1, %2.%12 Possible ... MP Control Manager detected management point is not responding to HTTP requests. The HTTP status code and text is %1, %2.%12 ...