Ubisoft plan to switch their servers from a "third party data centre to a new facility" on February 7th... which could potentially affect online functionality for a number of PC and Mac titles. This includes the 'always on' DRM, rendering the following games completely unplayable during the transition:
- Assassin’s Creed (Mac)
- Tom Clancy’s H.A.W.X. 2 (PC)
- Might & Magic : Heroes VI (PC)
- Splinter Cell Conviction (Mac)
- The Settlers 7: Paths to a Kingdom (PC)
- The Settlers (Mac)
Other titles may be also be affected in terms of multiplayer, and UPlay will also not be available on PC on February 7th. We don't yet know how long the transition period will last, and I suspect that Ubisoft don't either.