I have been looking at this problem for over a week. I know it can be done as I had it set up this way before.
We have exchange 2010 and use office 365. I had the executive assistant set up to receive 3 mailboxes from the C-levels. Her computer (Win7 pro) died so I set up another one (Win7 pro). Now she can only get 2 mailboxes. There is an error message......Cannot expand the folder. The set of folders cannot be opened. You must connect to Microsoft Exchange with the current profile before you can synchronize your folders with your Outlook data file (.ost).
I have deleted his profile completely several times. Deleted his .ost. Tried changing settings in the registry but the paths on the computer are not complete as in the instructions. I have tried adding the account from the control panel and outlook direct (seems to end up at the same...