Unable to launch Messagestats Reports Web Site or Default Web Site, receive error: "HTTP 500 - Internal Server Error".
This error can occur if the Local System account does hot have sufficient access in IIS (Internet Information Services).
Take the following steps to resolve the error:
1. Open the Internet Information Services Manager tool.
2. Expand the IIS Server and Application Pools.
3. Right-click on DefaultAppPool and choose Properties.
4. Select the Identity tab and under Application Pool Identity choose Local System from the drop down box, then click Apply and OK.
5. Open Services from Control Panel and restart the IIS Admin service.
