37 days before worldwide release OCS 2007 R2 RTM

Microsoft Office Communications Server 2007 R2 RTM will be released within 37 days from now. The product is already RTM but is public available from 3rd of Feb 2009. This announcement will not forbid you to start off to plan your OCS 2007 R2 migration or OCS 2007 R2 setup as "Greenfield" solution. When looking on the Internet more closely you will find some wonderful support articles and OCS documents to help with your migration/setup.

The following updates are required for OCS 2007 and OCS 2007 R2 interoperability. 

Communicator:

• http://support.microsoft.com/kb/958659/
• http://support.microsoft.com/kb/957793/
• http://support.microsoft.com/kb/956734/

Server:

• http://support.microsoft.com/?kbid=956389
• http://support.microsoft.com/?kbid=956829

Even interesting are the links for:

• Role Collocation R2:
• http://technet.microsoft.com/en-us/library/cc816173.aspx
• Supported Forest Models R2:
• http://technet.microsoft.com/en-us/library/cc816082.aspx
• Active Directory Domain Services Preparation R2:
• http://technet.microsoft.com/en-us/library/cc816082.aspx
• Next release of OCS to support 64 Bit OS (x64) R2:
• http://communicationsserverteam.com/archive/2008/08/29/246.aspx
• Deploying Group Chat R2:
• http://technet.microsoft.com/en-us/library/cc794607.aspx
• Perimeter Network Topologies R2:
• http://technet.microsoft.com/en-us/library/cc816164.aspx
• Supported Clients R2:
• http://technet.microsoft.com/en-us/library/cc816066.aspx

NOTE: This is preliminary documentation and is subject to change.