Exclusions for domain groups are not working, but local groups added to the exclusion list are enforced. The error message received is: "Access Denied - No valid route found. Please contact your administrator."
1. Create a new local group on the workstation and add the required local or domain members to this group.
2. Open the Desktop Login configuration dialog and remove the local 'Users' group from the 'Exclusions' tab.
3. Add the newly created local group and apply the changes.