The Warning Border feature is not supported in most environments. A work-around for this feature is described below.
All versions of DameWare
The Warning Border feature is not supported on machines with OS versions of Windows Vista and above (for example, Windows 7 or 2008 Server). Even on machines where the feature is supported, the Warning Border is enabled only in full screen mode.
If you want the remote user to be aware that someone is working on the system, complete the following steps to display a warning pop-up throughout the session.
You might have to update the service on the remote machine for the new settings to take effect:
Note: You can use the MSI builder to create an MSI with these setting and push to all clients.