Not if they are not users that you have created in the domain or the MAC registered if you use MAB.
The best option would be if you had a Cisco ISE in your network to act as a NAC, but an NPS from Mircosoft or a Freeradius would already be of great value.
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
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