Can an admin lock a computer through the Hub?

Yes! GateKeeper can log users out of their computers using the Remote Management feature. This feature is only available for GateKeeper Enterprise Ultimate users. 

For any additional questions or concerns regarding proximity settings, computer locking, credential management, or compliance, please contact GateKeeper Enterprise support using the Support Ticket form on https://gkaccess.com/support/ or email [e-mail].

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lock user's computers remotely; control computers from central hub;