Web Client Access Failure

Issue: After installing Data Relationship Management on Windows 2008 64-bit platform, you get this error message when attempting to access the Web client:

HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid.

Solution: In the IIS configuration file (C:/Windows/System32/inetsrv/config/applicationHost.config), replace the two occurrences of Deny in the following section with Allow:

<configuration>
  <configSections>
     <sectionGroup name="system.webServer">
        <section name="handlers" overrideModeDefault="Deny" />
        <name="modules" allowDefinition="MachineToApplication" 
        overrideModeDefault="Deny" />