I have a federation trust between two Exchange 2010 SP2 organisations. Everything works fine except when i want to change the level between two federated persons.
If i change the level via Outlook then a message appears (printscreen):
- the modivied permission cannot be saved (and)
- and error occured when Setting schedule permissions
If i try the same via Outlook WebApp....it works. I tried it with Outlook 2010 and Outlook 2013..it is the same Problem.