If the Web address for the License Administration application is added to the Restricted sites zone in Internet Explorer, attempting to load License Administration displays a blank page. No error message is displayed.
To resolve this issue, ensure that the Web address for the License Administration application is added to either the Local intranet or the Trusted sites zone.
Applies ToOnGuard (All versions)
For more information, search the following Microsoft Knowledge Base article:
Any Web sites that users place in the Restricted Sites zone can no longer use frames or IFRAMES