We have a number of shared mailboxes hosted on exchange 2007. As we are rolling out Outlook 2010 we have found a number of users no longer have the ability to rename folders in the shared mailboxes once they have moved to outlook 2010. In outlook 2007 and 2003 they are fine and they have permissions at the mailbox, folder, delegate level as owner.
I even tried setting full mailbox permissions in exchange and still the rename option is greyed out.
There are NO cached mailboxes anywhere.
Anyhelp would be greatly appreciated.