In a previous article we discussed how to check Lync Server Component Version. After checking the versions, a good thing is a table to verify what Cumulative Update were installed in the server. We can use the Lync Server Core Component as reference, since this component is always updated.
When we update Lync Server, not all components will be updated to the latest version – this is a normal behavior. After running the update, we can run again the update package to check if all components were successfully updated.
In the following link you can get the latest update:
Finally, here is a list of all cumulative updates released for Lync Server 2010: