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Thank you, <br />
<br />
Worked really well on Exchange Server 2016.<br />
<br />
Now Students can't see staff emails addresses and groups.
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Thank you,

Worked really well on Exchange Server 2016.

Now Students can't see staff emails addresses and groups.

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need to deny access to our exchange servers GAL &amp;&nbsp;OAB to some users
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need to deny access to our exchange servers GAL & OAB to some users

Deny Access

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.