I'm going banana's here. This issue has already taken days of reading threads similar to mine, but I haven't been able to find an answer yet.
Problem is that on some computers and with (it seems) completely random mailboxes we're getting the error "The action cannot be completed. The name cannot be matched to a name in the address book.". I've been checking the event viewer on the Exchange Server and it's telling me that the computer tries to connect to a different mailbox which isn't configured anymore on the computer. It was, but I removed the profile, all local cache files and even all keys in the registry. After this I did a recovery installation of Outlook, but even that didnt work.
I tried to hide and unhide the mailbox from the GAL and checked if it wasn't hidden in AD (which it isn't of course). Even checked the LegacyDN name but that's only giving me some letters and numbers.
So now I am out of options. I think it has something to do with the computer and not with Exchange, but I can't figure out what. Anyone out there with a similar problem and/or a solution?