Well you will never be able to nail down each user object size exactly.
Groups will have different members, each user will have different
membership, etc... therefore they are dynamic in size so if you have
thousands of users and thousands of groups the amount of time it would take
you to calculate this all out would be so costly in time it would be much
simpler to just over build on assesment.
--
Paul Bergson MCT, MCSE, MCSA, Security+, CNE, CNA, CCA
http://www.pbbergs.com
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