End of last week, Microsoft released Lync Server 2010 Best Practices Analyzer and now it is available for download from this URL http://www.microsoft.com/downloads/en/details.aspx?FamilyID=030548df-0dc7-4f86-b8a9-2f5ec8de8ba5&displaylang=en and the tool documentation in this URL http://technet.microsoft.com/en-us/library/gg558584.aspx.
You can use Microsoft Lync Server 2010, Best Practices Analyzer to identify and resolve problems with your Lync Server deployment. The Lync Server 2010, Best Practices Analyzer gathers configuration information from Lync Server 2010 components. With the proper network access, the Best Practices Analyzer can examine servers running Active Directory Domain Services, Exchange Server Unified Messaging (UM), and Lync Server. You can use Best Practices Analyzer to do the following: