I have created a shared mailbox with three recipients and this works fine. I have added two 'Send As' delegates and this has worked but when I try and add another 'send as' I get the following error:-
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| | The appropriate access control entry is already present on the object "CN=Office,OU=**************.onmicrosoft.com,OU=Microsoft Exchange Hosted Organizations,DC=EURPR07A002,DC=prod,DC=outlook,DC=com" for account "EURPR07A002\kate50282152621639". |
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If I try and delete one of the 'send as' delegates I also get a very similar message. I have checked as many settings as I can and cannot see a reason for this? |
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