Receiving "Service Unavailable HTTP Error 503. The service is unavailable." when running Sharp Embedded Diagnostics web page

Issue:
When attempting to run the Diagnostic page (http://localhost/pa6sharp/pages/Diagnostics.aspx) in Print Audit Sharp Embedded, you receive a "503" error.

Cause:
There are two possible causes for this error:
  1. The Application Pool has stopped for the Print Audit Sharp Embedded application in IIS.
  2. The IIS server is set to redirect HTTP requests for all sites in IIS.

Solution: 
  1. Ensure that the Application Pool for the Print Audit Sharp Embedded site is running.
  2. Check that IIS isn't configured to redirect HTTP requests to a different site.
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