Just an FYI for anyone else in the same or similar predicament, I found out from a co-worker that by using Desktop Manager while connect to our network via VPN, we can reactivate without the helpdesk, I'll let you know how that works when the fully released 4.5 version is out.
Strange......I received a message that this message is too short by 10 characters, there that should do it! OK still getting the same message, I'll try once more