Create a report of all user accounts in TEE with OBI

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I'm trying to manage users in our zone and need to start with who has a user account and what access they have.  I cannot find user fields in the Criteria/Subject Areas.  I see no standard report to run either.  Any suggestions?  I know in BO there was a feature you needed to turn on to be able to run Admin reports, but haven't found anything like this in BI.