Lync & OCS Migration Top 10

Here are my Top 10 quick frequently-needed facts when you are first considering a Lync 2010 migration from OCS 2007 R2 (or if you are considering co-existence).
1. Lync 2010 Servers Can Coexist with OCS 2007 R2 Servers (in an OCS 2007 R2 Deployment)
• They can coexist in the same AD Forest and AD Domain, but [...]

Updates to Office Live Meeting and the Outlook Conferencing Add-In

The July, 2010 updates to the Office Live Meeting client and the Outlook Conferencing Add-In are available.  This is in addition to the previously released July 2010 Updates to Communicator and OCS Server (Cumulative Update 6).

Office Live Meeting Window Client

Download the Microsoft Office Live Meeting 2007 client (  This update installed version 8.0.6362.190 from the [...]

OCS and .NET Framework 4.0 Issues

A quick update on the reported issues with installing OCS 2007 R2 on machines that have .NET 4.0.

In a nutshell, if you try to install any of the OCS 2007 R2 roles or Group Chat Server, on a server that has the .NET 4.0 Framework installed along side the .NET Framework 2.0 or .NET Framework [...]

July 2010 Updates to Communicator and OCS (Cumulative Update 6)

There has been a new round of updates for Communicator 2007 R2, OCS 2007 R2, and OCS 2007 R2 Group Chat – known as Cumulative Update 6 (CU6).

** Sept 2, 2010 Update **: Microsoft has temporarily removed the Cumulative Update 6 (CU6) until an issue with the Response Group Service can be fixed. See News: Office [...]

Future OCS Licensing Changes

Thanks to Tommy Clarke’s blog post for alerting me to this.

Microsoft recently released a licensing brief (Base and Additive Client Access Licenses: An Explanation) which details future licensing changes upcoming in the next release of OCS (OCS Wave 14).

 Here is a summary of the key changes:

 1) A new OCS Voice CAL:

Will include the OCS Wave [...]

OCS 2007 R2 Support for Windows Server 2008 R2

In case you missed it, Microsoft recently released a support article which details a supported scenario for:
1) Installing OCS 2007 R2 on a Windows Server 2008 R2 server.
2) Installing OCS 2007 R2 into a Windows Server 2008 R2 Active Directory (i.e. at least one DC was upgraded to Windows Server 2008 R2).
Prior to this, OCS [...]

January 2010 Updates – Communicator 2007 R2 and OCS 2007 R2

The January 2010 updates have been released for the Office Communicator 2007 R2 Client and the OCS 2007 R2 Server.

Office Communicator 2007 R2

The download and more details can be found here: Description of the Communicator 2007 R2 cumulative update: January 2010 (KB 976135).
This update brings the Communicator 2007 R2 version number to 3.5.6907.83 (.83 from [...]

OCS R2 32-bit Administrative Tools

Further to my post on OCS R2 Administrative Tools – Quick Facts, here is how to install the 32-bit version of the OCS R2 32-bit Administrative Tools.

Note: the 32-bit version is currently not supported on Windows XP; only Windows Vista SP1 (Business or Enterprise), Windows Server 2003 with SP2, and Windows Server 2008.

The 32-bit installation is available [...]

OCS R2 Administrative Tools – Quick Facts

As many OCS 2007 R1 deployments move to OCS 2007 R2, mixed deployments with both OCS R1 and OCS R2 pools are becoming more common.

Here are some notable reminders about the OCS  R2 Administrative Tools in a mixed deployment that you should know about:

The R1 and R2 Admin Tools cannot be installed side-by-side together on [...]