Why hasn’t Greg blogged anything lately

I’ve been busy working on another project.  In the meantime I suggest that you check out NextHop which is a centralized portal for all things relating to Microsoft Unified Communications.


LCS/OCS Public IM Connectivity (PIC) with Yahoo! Domains YMail.com and Rocketmail.com

Yahoo! has added two additional domains (ymail.com and rocketmail.com) that users can choose from when creating a Yahoo! ID. In order for instant messaging and presence to work correctly with Yahoo! user accounts created in those domains you will need to add entries on the Allow tab of your Live Communications Server 2005 SP1 Access…


Office Communications Server 2007 R2: Response Group Service Does Not Start

The following symptoms are observed.  Response Group Service doesn’t start.  When starting manually it stops again as soon as it has been started. The following event is logged in the Office Communications Server event log in Event Viewer on the affected server: Event Type: Error Event Source: OCS Application Server Date:         Date Time:        Time Event-ID:  …


Failed to activate Office Communications Server Standard Edition Server

When you deploy a new installation of Standard Edition Server activation fails if security update 974571 is installed and the fix mentioned in http://support.microsoft.com/kb/974571 has not been applied to the server. The following is logged in the Office Communications Server 2007 R2 Deployment Log Failure [0xC3EC796C] One or more errors occurred during the execution of…


OCS 2007 R2: Error Accessing User Communications Tab Properties

Problem After migrating a user from Live Communications Server 2005 Service Pack 1 to Office Communications Server 2007 R2 you are unable to view or change the user’s Communications Tab properties.  Symptoms When you click one of the configure buttons you receive a Validation Failed message. Validation failed with HRESULT = 0xC3EC7E02 – Accessing OCS…


How to issue certificate for Office Communications Server 2007 R2 when the Web Server Template has been disabled on the Certificate Authority

Problem You receive an error trying to issue a certificate via the Certificate Wizard because the default web server template has been disabled on the certification authority. Symptom You may see the following error in the Certificate Authority Server logs. "Denied by Policy Module 0x80094800. The request was for a certificate template that is not…


When running Active Directory Users and Computers on a machine where LCS 2005 SP1 Administration tools have been installed you click Live Communications tab on user account properties and receive “Failed to read the user’s settings”

Cause LCS 2005 SP1 Servers have been updated with KB 911996 which requires any LCS 2005 SP1 Administration Tools installation to also be updated. Resolution Apply KB 911996 update to machines that have the LCS 2005 SP1 Administration Tools Installation.


Updating Microsoft Office Communications Server 2007 Best Practices Analyzer

When you launch the OCS 2007 BPA Tool for the first time after installation you have the option to set the tool to “Check for updates on startup (recommended)” or to “Do not check for updates on startup”. Once you have selected an option then the following registry keys are set. HKEY_CURRENT_USER\Software\Microsoft\RTCBPA ShowedUpdateOption REG_DWORD (0…


Communicator 2007 R2 Desktop Sharing Call Flow Part 1 – Peer to Peer

I had worked on a case recently where a firewall existed between the OCS 2007 R2 Pool and the internal Communicator 2007 R2 clients concerning call flow and what direct ports needed to be open in the firewall (inbound, outbound, or both) using the Communicator Policies for enabling minimum and maximum media ports. That said…


Office Communicator 2007 and R2 File Transfer when Forefront Security for Office Communications Server is installed.

Communicator 2007 or Communicator 2007 R2 File transfers no longer occur peer-to-peer after installation of Forefront Security for Office Communications Server 2007. By default, IM-based file transfers occur as a peer-to-peer file copy between two instances of Office Communicator. When FSOCS is installed, it redirects the file transfer through the server it is deployed on…