Do I Really Need to be a Domain Admin to Install CWA?

This question came up from a customer who was looking to install CWA without having to be a member of the Domain Admins group.  The documentation and the GUI says that you need to be a member of the Domain Admins group, but what do we really use it for? We use the Domain Admins group…


What Rights in SQL are Needed for DBAnalyze to Work?

I see this come up a lot when doing OCS Health Checks.  Part of the Health Check is looking at information from DBAnalyze.  If you get the following error, more than likely the account you’re trying to use doesn’t have the necessary rights to the SQL databases: There was an error communicating with the database:The…


Options for Hyperlinks in Communicator 2007

I get a lot of questions on how to enable hyperlinks in Communicator or how to remove the underscore ‘_’ from the beginning of hyperlinks in Communicator.  There are a couple of options available to control the way hyperlinks appear in IM conversations in Communicator.  In this post I will describe the 4 options available for configuring…


OCS 2007 R2 Cumulative Server Update Installer Released

You can use this tool to automatically install the latest patches for each component.  To use, run ServerUpdateInstaller.exe with elevated permissions.  I would recommend creating a folder and put ServerUpdateInstaller.exe in there, as it extracts each of the individual patches to the same place as the .exe.  The GUI then lists what updates are and…


File Size Restrictions in OCS Web Conferencing

This question comes up when talking about the OCS hosted Live Meetings when customers are trying to decide how much space to allocate to the Web Conferencing shares. There is an article on TechNet that talks about the recommended space to allocate per meeting, the maximum size of documents per meeting, as well as how to…


Do NOT Apply KB974571 to LCS/OCS Servers

Update – Please see the “Known issues that affect this security update” section in KB974571 ( for information on resolving this issue. <Removed rest of post, as the above KB article contains all relevant information>


LCS Services Fail to Start After Running the Global Settings Migration Tool

I ran into this problem recently.  I was doing a migration from LCS 2005 SP1 to OCS 2007 R2 and as part of the R2 prep we were moving the global settings to the Configuration Partition.  We followed the steps outlined in this TechNet article (, and while trying to complete Step #7, we ran…


Issues with Group Chat File Upload

I ran into a couple of issues getting the file upload feature to work in Group Chat.  I followed all of the documentation found on TechNet (, which unfortunately leaves out some important steps.  Below is a list of the issues that I ran into and the resolutions: Issue #1 When trying to upload a…


Changes to PIC Licensing

From the PressPass announcement:  Microsoft is changing its public instant messaging connectivity (PIC) license requirements for Office Communications Server connectivity to the Windows Live and AOL public IM networks. Now, customers with Office Communications Server 2007 R2 Standard CAL (or equivalent Software Assurance rights) will no longer require an additional license to connect with the…


XMPP Gateway Released

Overview The eXtensible Messaging and Presence Protocol (XMPP) Gateway for Office Communications Server allows Office Communications Server users to communicate with users who use an XMPP-based IM and presence provider such as Google Talk and Jabber. Once the gateway is deployed in an Office Communications Server environment, users hosted on Office Communications Server can do…