Portal Web Site Control Manager detected PORTALWEB is not responding to HTTP requests. The http status code and text is %1, ...

%11Portal Web Site Control Manager detected PORTALWEB is not responding to HTTP requests.  The http status code and text is %1, %2.%12

Possible cause: Internet Information Services (IIS) isn't configured to listen on the ports over which PORTALWEB is configured to communicate. 
Solution: Verify that the designated Web Site is configured to use the same ports which PORTALWEB is configured to use.

Possible cause: The designated Web Site is disabled in IIS. 
Solution: Verify that the designated Web Site is enabled, and functioning properly.

For more information, refer to Microsoft Knowledge Base.
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