When talking about the new High Availability features in Exchange 2010 an often recurring question is “How many mailbox databases can you home on an Exchange 2010 Standard Edition?” The answer is listed here: Looking at the On-Premise Licensing for Exchange Server 2010 , and for a Standard Edition...

There are a lot of question going around when it comes to OCS 2007 R2 and licensing. In this post I'll try to give an overview of which licenses are required :-) In the end, it all boils down to three things, meaning, you may need a license for: 1. Using a client software to gain access to a service...