UCE isbeing replaced by a 'free' version of UCA basic client (you will however need a linux server to run the UCA server on.
You can still run it and buy licences; your dealer should know this. tell them to look at bulletin PA20130061.
It is, however, being replaced by a free version of UCA (rel.5.0) which may be better if you can run it. MAS5.0 Bulletin - PA20130107