Delegate issue Outlook 2013 after migration to Exchange 2013

Users are getting when changing delegates this error

The Delegates settings were not saved correctly, Cannot activate send-on-behalf-of list.

you don't have sufficient permission to perform this operation on this object

The problem started after migration to Exchange 2013
nourbenAsked:
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Simon Butler (Sembee)ConsultantCommented:
The first thing to check is that permission inheritance is enabled on the object in ADUC.
The migration to Exchange 2013 should have had nothing to do with it - other than the changes in Exchange have flagged up a problem elsewhere.

Do other things work? Out of the Office for example?

Simon.

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Satya PathakLead Technical ConsultantCommented:
This is known issue after migration you need to remove  the pemission and re add and then try it.
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