• Blog Post: Configuring Communications Server 2007 R2 for Remote Access

    By default, Communications Server 2007 R2 provides IM, presence, conferencing, and-if PSTN integration is configured-voice capability. To allow remote access to these features, you must install and configure one or more Edge Servers. This article highlights the information in "Configuration Guide: Office...
  • Blog Post: Update: Microsoft Lync Server 2010 Protocol Workloads Poster

    The Microsoft Lync Server 2010 communications software protocol workloads poster shows the protocols that are used by each workload in Lync Server 2010, describing relationships, dependencies, the servers that initiate connections, and certificate requirements. This poster provides a snapshot of the...
  • Blog Post: Lync 2010, Exchange 2010, SharePoint 2010, and Office 2010 Integration: Part 1

    This is part one of a two-part article that describes the many features of Microsoft Lync 2010 communications software that are available to the users of Microsoft Office 2010, Microsoft SharePoint 2010, and Microsoft Exchange 2010. Lync 2010 has now become part of these products through its ability...
  • Blog Post: Office Communications Server Edge Server on Windows Server 2008: Understanding the Strong Host Model

    This article describes how to correctly configure the Microsoft Office Communications Server Edge Server role on the Microsoft Windows Server 2008 platform when three or more network interfaces are used. In a basic Edge Server deployment, only two network interfaces are used (one is internal-facing and...
  • Blog Post: Microsoft Lync for Mobile Tweet Chat: May 17, 2012

    Are you considering deploying Microsoft Lync 2010 mobile devices in your organization? If so, join us this Thursday, May 17 th at 10 AM PT for a tweet chat on Microsoft Lync 2010 for mobile devices. @MSFTLync will be chatting with Skip Chilcott (@Skip_C), Senior Marketing Manager for the Microsoft Unified...
  • Blog Post: Lync 2010, Exchange 2010, SharePoint 2010, and Office 2010 Integration: Part 2

    This is part two of a two-part article that describes the many features of Microsoft Lync 2010 communications software that are available to users of Microsoft Office 2010, Microsoft SharePoint 2010, and Microsoft Exchange 2010. Lync 2010 has now become a part of these products through its ability to...
  • Blog Post: Video: Troubleshooting “Cannot Connect to the Server” Error When Using Lync Mobile for Office 365

    This video shows you how to troubleshoot the Cannot Connect to the Server error message that you may experience when using Lync Mobile for Office 365. The video is intended for administrators of Office 365 for enterprises and Office 365 for professionals and small businesses but may also be helpful for...
  • Blog Post: Hardware Load Balancer Requirements for Lync Server 2010

    Microsoft Lync Server 2010 supports both DNS load balanced and hardware load balanced solutions. While DNS load balancing can be used to distribute SIP traffic equally among the various Front End servers in a Front End pool, a hardware load balancer must be used to handle HTTP connections to Lync Web...
  • Blog Post: Troubleshooting External Lync Mobility Connectivity Issues Step-by-Step

    This article provides step-by-step troubleshooting for Microsoft Lync Server 2010 connectivity issues for external users with mobile devices. This article assumes that Lync Server 2010 Mobility Service and Lync Server 2010 Autodiscover Service are successfully deployed and internal users are able to...
  • Blog Post: Communications Server Mediation Server: Dual NIC Issue

    There have been several great blog posts on the Internet concerning the Mediation Server dual NIC configuration or single NIC with multiple IP addresses in Communications Server 2007 R2. In this article, Greg Anthony shares an additional scenario that explains why both Mediation Server network interfaces...
  • Blog Post: Configuring XMPP Connectivity to Gmail

    Author: Rui Maximo Publication date: November 2009 Product version: Microsoft Office Communications Server 2007 R2 Check out the following figure. That’s no illusion-it’s an Office Communicator user communicating with a Gmail user. Figure 1. Office Communicator and Gmail ...
  • Blog Post: Update: Lync for Mac 2011 - Managed Preferences

    With the release of Lync Server 2010, Microsoft made an effort to provide Lync Mac administrators with in-depth configuration preferences. The result was the Lync for Mac 2011 – Managed Preferences Technical Reference document. However, after extensive customer testing, it was determined that the...
  • Blog Post: Configuring the A/V Edge Service for NAT in Communications Server 2007 R2

    When configuring the A/V Edge for NAT it's possible that remote users (both employees and federated) will be able to establish IM connectivity and view presence data but not escalate the conversation to an audio session. If this is happening to your users, find out why. Author: Rick Varvel Publication...
  • Blog Post: Troubleshoot STUN with TURN in Office Communications Server 2007 R2

    The Session Traversal Utilities for Network Address Translation (STUN) protocol is an integral component of the Audio/Video Media Relay service. It provides the routing information and signaling that is needed to establish a secure media connection for all endpoints that are involved in audio/video communications...
  • Blog Post: Why Deploy a Director?

    What is the use and value of the Director role? To be clear, the Director role doesn't exist. You won't find this server role in the Communications Server 2007 and 2007 R2 Setup. A Director is simply a Standard Edition Server or Enterprise pool that has NO users homed on it. This article will help you...
  • Blog Post: Configuring XMPP Connectivity to Jabber XCP 5.4

    Author: Geoff Clark Publication date: November 2009 Product version: Microsoft Office Communications Server 2007 R2, Office Communications Server 2007 R2 XMPP Gateway, and Jabber XCP 5.4 Hooray! Office Communications Server 2007 R2 XMPP Gateway Has Been Released This article walks...
  • Blog Post: Lync Server 2010 External User Access Security Overview

    After a security audit for a new or existing Lync Server 2010 deployment, questions often arise regarding potential security risks created by giving external user access to Lync Server 2010. This article provides a high level overview and answers to the most commonly asked questions pertaining to external...
  • Blog Post: Lync Wiki: Understanding Simple URLs in Lync

    Looking for a quick tutorial on simple URLs? Check out this wiki post by Fabrizio Volpe. Topics include: What are simple URLs, when do you need them, how do you configure them, and how do you change them? Join the discussion at Understanding Simple URLs In Lync . Author: Fabrizio Volpe , Iccrea Banking...