RooieRakkert

MATCH (u:User)-[r:AdminTo|MemberOf*1..]->(c:Computer
RETURN u.name

That’ll return a list of users who have admin rights on at least one system either explicitly or through group membership
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MATCH 
(U:User)-[r:MemberOf|:AdminTo*1..]->(C:Computer)
WITH
U.name as n,