OCS R2 – Summary of the Changes to Server Roles

In light of the new OCS R2 server roles and capabilities, here is a summary of the significant changes on the server side and topology (from OCS 2007).

Changes to Existing OCS 2007 Server Role

OCS 2007 Role




Several key changes:

·         Application Sharing [...]

OCS R2 Office Communicator Client Interopability

With the introduction of Microsoft Office Communications Server 2007 R2, many are asking which Office Communicator clients are supported in an R2 environment. The following table should help answer the most common questions about client interoperability.





Office Communicator 2005


Yes (*)

Office Communications Server 2007 R2 Launch

In case you have missed the buzz, tomorrow (Tuesday, February 3rd), is the official launch of Microsoft Office Communications Server 2007 R2.

Microsoft is hosting a virtual launch event available at www.OCSR2Launch.com starting at 9:30am Pacific Time (12:30pm Eastern Standard Time). This event will include an overview of new R2 product capabilities, breakout sessions, partner information, [...]

Office Communicator 2007 "Offline" Status Missing

A not-so-publicized, but highly visible feature change with Office Communicator 2007 is the inability for a user to set their status to “Offline”.  This was a commonly used status in previous instant messaging clients such as Windows Messenger and Office Communicator 2005.

If your user community requires the Offline status, there are 2 options:

1. You can [...]

Office Communicator Hotfixes

Microsoft Office Communicator hotfixes are not part of Windows Update, so it is important to find and deploy them through other means.

If you are upgrading to OCS 2005 from LCS 2005, and will have Office Communicator 2005 and 2007 clients coexisting, you should deploy Microsoft Office Communicator 2005 Hotfix KB 945573 (http://support.microsoft.com/?kbid=942897). In addition to [...]

OCS 2007 R2 Key Facts

People currently deploying, or planning to deploy, Microsoft Office Communications Server 2007 maybe wondering about the next release of OCS (‘R2’), when making deployment decisions today. Here are some quick key facts that you need to know.

New Features
This recent Microsoft press release provides a nice summary of the new features. Noteworthy is the ability to [...]

Microsoft Office Communications Server 2007 Edge Planning Tool

The Microsoft OCS team has recently released a Office Communications Server 2007 Edge Planning Tool.

The tool generates 6 reports that are useful for a current Edge server deployment, or in the planning stage for deploying an Edge server.

You can read more about the tool here. You can download the tool here.

Windows Messenger 5.1 Support when Upgrading LCS 2005

A quick post for anyone upgrading from LCS 2005 to OCS 2007. The first step in upgrading your LCS 2005 infrastructure to OCS 2007 is to replace the perimeter (e.g. replace your LCS Access Proxies with OCS 2007 Edge Access Servers). This will result in a mixed environment: OCS 2007 on the Edge and LCS [...]