Good example of needing to understand Windows Domain principles: AD Groups with Group Chat

There was an internal question about the ability to use Windows Active Directory Groups for securing Group Chat channels. Not finding it in the Group Chat content* I switched to my lab and created a group including the user that I first confirmed had access. I then removed that user and noticed that the client…


Group Chat R2 Certificates–To add client auth or not?

A recent customer issue had the question asked of why a new certificate with Client Authentication in the Enhanced Key Usage (EKU) in addition to Server Authentication fixed an issue for the Group Chat Administration Console connecting successfully. I took a screen shot of my Group Chat Server Configuration for the Machine Wide settings where…

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Group Chat File upload issue

In testing Group Chat with an XP workstation for a customer, I found I could not upload a file successfully. The truth is that I haven’t been able to do this for a while but ignored it. I could not ignore it this time as I had to confirm as much functionality as possible. I…


Group Chat counters – Active Endpoints, Active Users and the difference

We are working on an effort to provide some guidance on monitoring the health of a Group Chat deployment and included are these two counters: MGC:SERVER – 01 – MGC Server Networking.\MGCSERVER – 003 – Active Endpoints MGC:SERVER – 01 – MGC Server Networking.\MGCSERVER – 011 – Active Users When you are monitoring even a…


Group Chat CU5 – User Colors Sproc modification required

Update October 25, 2010 with SQL table information at the bottom of the post Did you deploy Group Chat CU5 and expect the User Colors functionality, I did and so did others, we appear to have an undocumented stored procedure change to communicate. We are investigating whether it truly is undocumented or if a later…


Group Chat CU5 – Documentation updates pending

December 3, 2010 update: The content on Technet has not yet been updated but I raised an urgent request today. I recognize that the content is still confusing but allow me to say that Group Chat with CU5 is supported with OCS 2007 R2 in a Windows 2008 R2 raised functional level and with Windows…


Group Chat Database Sizing Tool (xls) released

A few weeks ago we released the Capacity Planning for Group Chat document and very quickly our MVP community began to question the validity of such a doc with no ability to actually gauge the requirements for the size of the database. Today we have released the spreadsheet to help with this effort. http://www.microsoft.com/downloads/details.aspx?FamilyID=e9f86f96-aa09-4dca-9088-f64b4f01c703&displaylang=en  …


Group Chat – plugging others blogs…

I am preparing for a presentation on Group Chat installation to the UCVUG next week and what I am trying to do is to go through the process after having asked many others for their setup process modifications and suggestions based on numerous customer efforts. My goal is to help provide a very solid and…