Can Active Directory Groups be used to assign concurrent licensing in an Option File? Or must individual NetworkIDs be listed?
You may want to Move this question to ArcGIS Desktop Installation support which is a better place for licensing questions.
I don't know the answer for sure, but my guess is it will not take AD groups.The option file isn't the most powerful or reliable. I have always found it to be easier to block a user totally that grant something to an individual or group. fwiw.
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