The task is not as simple as it might seem at first glance) Yes, I know about the GPO, about the host configuration remote desktop session and about configuring each user individually, but that's not it. Once upon a time I googled one solution - run some rigging(?) where can thin the whole thing to configure: for example, select a user or group of users that disconnect will not or will, but through time other than time of other groups and users. And I just googled this decision, but also applied it. Now you need to add more users in the "privileged" group, but I forgot how to do it) And Google only offers the options listed above. Recall, please, that it for equipment, maybe someone faced with this.
Windows Server 2008 R2 Enterprise, without a domain.