Thursday, 25 May 2017

Full Access Revoking Issues in Outlook after Exchange 2010 Migration to 2016

So few days back, I started working on Exchange Migration, everything went quite smooth and i have to give access back to Organization's Admins. There were plenty of mailboxes appearing in Administrator's Outlook which was obviously result of granting Full Access. However strange thing was they still remain in outlook client if their access is removed from exchange Server. If you click on mailbox you will get following:
I tried removing Full Access permissions from GUI and EMS itself but still doesn't help. Last option obviously was to recreate Outlook profile thinking it could be local outlook issue but that didn't help and once i re-add outlook profile everything comes as it is.
I searched Added user attributes from ADUC console's Attribute editor and i came to know that name was listed in MsExchDelegateListLink and somehow was not getting removed after removing Full Access permissions. Once that was removed object entries were removed from outlook.
To remove the object, just need to open ADUC, make sure Advanced Features is marked, now open the user's account that is showing in user's mailbox (as in following screenshot), open Attribute Editor tab form Properties and locate MsExchDelegateListLink, just edit and remove name from here.
Please feel free to write back/ comment if you've any questions.

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