Recent Security Update (KB 974571) May Cause OCS to Not Start

In case you missed it, as reporting by several blogs and the Microsoft Office Communications Server team, a recent O/S patch may cause your LCS 2005, OCS 2007, or OCS 2007 R2 servers to think they are an evaluation version which has expired, and the OCS services will not start (e.g. after a reboot).

Fortunately, uninstalling the patch fixes [...]