Download the Latest Version of FlexLM (LMTOOLS)

When updating your version of Revit on a network licence installation, dont forget to update the Licence Manager program that resides on the server. FlemLM otherwise known as LMTools.
The appropriate version will be included on the installation CD/DVD.
However, to ensure you have the latest version, this link if very handy.

http://discussion.autodesk.com/thread.jspa?threadID=486842