PS C:\Users\Administrator.CONTOSO> Get-WmiObject -query 'select * from win32_product' | where {$_.name -like "Microsoft Lync Server*"} | foreach {$_} By first, go at this one, feedback is welcome ! Here is sample output from my lab environment after applying the CU2 updates. Hope this helps...

Product KBs Office Communications Server 2007 R2 968802 OCS2009-dbupgrade 968802 Office Communicator 2007 R2 2291453 Office Communicator Phone Edition 2007 R2 2466291 XMPP Gateway ...

If you would like to know what is the latest and greatest update that has been released for OCS 2007 R2 we have now one stop shop to go and find out. We just updated this link with a RSS feed too. This is a great resource to keep updated on the cumulative updates that get released quarterly or so. ...