Grant more permission to AD account operators is not working.


I have a few AD admins whose accounts are in the Account Operators group in the domain.  It seems that the admins have no issues managing user accounts as for creating, resetting passwords and so on.

There are two issues I am seeing so far:

1. The Account Operators are not able to update the "Email" attribute - see attached.
2. The Account Operators are not able to update the "ProxyAddresses" attribute - see attached.

I have tried to custom delegate a test account but not yet success.  

Someone who knows please advise what to select to grant more permission. .  

Thanks in advance.
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Michael B. SmithExchange & Active Directory ExpertCommented:
This means you have Exchange in your environment. Or at least someone made the Exchange schema changes.

Exchange "owns" those two attributes. In order to modify those attributes, Account Operators will also need Exchange Help Desk privileges. (I'm pretty sure Help Desk is sufficient, but I didn't pull up the Schema MMC to check. If Help Desk isn't enough, Recipient Management definitely is.)

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