Recent Security Update (KB 974571) May Cause OCS to Not Start

In case you missed it, as reporting by several blogs and the Microsoft Office Communications Server team, a recent O/S patch may cause your LCS 2005, OCS 2007, or OCS 2007 R2 servers to think they are an evaluation version which has expired, and the OCS services will not start (e.g. after a reboot).

Fortunately, uninstalling the patch fixes [...]

Communicator and Live Meeting Client Version Tool

One of the first things that should be done when debugging any client side issues with Office Communicator, Office Live Meeting, or the Office Live Meeting Outlook Add-In is to know what versions of each client the user is running. 

Rather than have the user open each application and do a “Help | About” and tediously [...]

Lingering Live Meetings

Here is a recent Live Meeting issue that I wanted to make people aware of. While looking at reports of Live Meeting usage (using the MessageStats Report Pack for OCS from Quest Software), it showed some Live Meetings were taking upwards of 3+ hours, when we had first-hand knowledge that the meeting ‘ended’ after 30 [...]

32-bit Version of the PreCallDiagnostic Tool Available

Earlier this year, while trying to solve some Live Meeting audio and video issues, I came across an OCS resource kit tool called the “PreCallDiagnosticTool”. It is a Windows application that installs on the end user PC and will help assess the impact network conditions will have on audio quality. The only downside? It was only [...]

Microsoft Office Communications Server Remote Connectivity Analyzer

Microsoft has recently made available a Beta version of a web tool that can be used to test the external connectivty of your OCS Edge deployment: https://www.testocsconnectivity.com/.

You can choose to manually enter your Edge Access hostname and port (normally 443), or by using auto-discovery (via DNS records). The auto-discovery option is good because it inherently [...]

Summary of July 2009 Updates

Several updates where released last month (July 2009) to the server and client pieces of OCS.  Here is a summary of all the updates and links to download them and more information:

Office Communicator 2007 R2: Description of the update for Communicator 2007 R2: July 2009

This will update your Communicator R2 version to 3.5.6907.37.
This is a [...]

Troubleshooting Microsoft Office Communicator Issues 101

Much has been written about troubleshooting Microsoft Office Communicator issues. In this blog entry I wanted to highlight and simplify two steps that will help you catch most problems without having to do more time consuming troubleshooting.

1) Know Which DNS Records are Being Used by Communicator

Communicator relies heavily on DNS to figure out which OCS [...]

Office Communicator 2007 and Outlook 2007 Integration Errors

March 2013 Update: a good Microsoft resource I recently discovered: Resolve Exchange Free/Busy and Communicator Presence Issues.

Further to my previous posting on Office Communicator 2007 and Outlook 2007 Integration Errors, after recently trouble-shooting this problem, I have provided a check-list of all the situations I am aware of that can cause this error, and what to [...]