Wednesday, April 6, 2011

Internet Explorer (IE) can't access HTTPS websites

Occurred on a Terminal Server after copying user profiles after a migration.  Internet Explorer (IE7 & IE8) were unable to browse any SSL HTTPS website, "Unable to load the page", if logged in as an ordinary user.  Okay if logged in as a local administrator.

Displaying the local SBS CA certificate as the user also showed an error that the certificate could not be validated.

The cause of the problem was a registry permission on HKCU\Software\Policies\Microsoft
- because this is where Group Policy gets applied the user only has explicit Read access; because the profile had been copied the explicit permission on the registry was incorrect.  To fix use regedit to load the hive and add the correct user with Read access.

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