I wrote a simple script to automate the process of user account creation in AD and to enable them for OCS with EV, which I am sharing at this blog... Before I start talking about the script further, I'd request everyone to read the following disclaimer...

In an OCS VOIP deployment, call routing works fine. But it breaks down when the caller ID is blocked in certain circumstances. I was working with one of the customers, everything was working just fine when caller ID was not blocked at the gateway...

Recently I worked on an issue where internal users could dial into conferencing atendant, but PSTN users cant. Dial-In conferencing was configured properly. When a PSTN user tries to join the conference, OCS does provide option to dial the conference...

The Office Communications Server 2007 R2 Capacity Planning Toolkit provides a set of tools and documentation to simplify capacity planning for Office Communications Server 2007 R2. The Capacity Planning Toolkit can be used as a complement to the...

This is one of the best features in the new release of Office Communications Server. There was Audio conferencing in OCS 2007 but the concept of bridge was missing. You couldn't create an audio room to invite the conference participants. One had to initiate...

Normal 0 false false false EN-US X-NONE HI MicrosoftInternetExplorer4 ...

Summary ============================= Enterprises can have mixed deployment of OCS 2007 and OCS 2007 R2 in which they install the OCS 2007 Admin Tools to manage servers/users for OCS 2007. If they attempt to use the OCS 2007 Admin Tools to manage users...

During my job as unified communications engineer, one of the frequent problems I encounter is "Outlook Integration Error" warning alert, appearing in Microsoft Office Communicator 2007. Assuming that you have outlook 2007 and Microsoft office Communicator...

Following table talks about the supported number of connections in different topologies defined in the planning guide of OCS 2007. You can find the planning guide here... http://www.microsoft.com/downloads/details.aspx?familyid=723347c6-fa1f-44d8-a7fa...

When any external or Internal user calls a user in OCS-UM enabled environement, The OCS Server selects the UM server for Voice mail facility. Following steps explain how does this happen - OCS will determine SIP Address of the dialed number It...

There is a seamless integration between Exchange and OCS. so the exchange client (Outlook) and OCS client (MOC) needs to share the DLLs before they could access each others information. This article talks about those outlook DLLs which communicator uses...

Just to make it available handy... How to prepare schema for LCS\OCS LCScmd.exe /forest /action:Schemaprep How to verify if schema is prepared for LCS\OCS LCScmd.exe /forest /action:checkschemaprepstate How to prepare the forest for LCS\OCS LCScmd.exe...

Normalization of the dialed number into E.164 format has been an interesting thing always! I am not going to explain the normalization rules here.. What we are going to discuss is the end point where Normalization rule does take place to translate the...

Note: Its strongly recommended to migrate LCS 2003 setup to LCS 2005 sp1 before migrating to OCS 2007. Still we have some workaround to acheive the same. I recently encountered a situation where the customer had already installed OCS 2007 in his LCS...

This artcile talks about how can you enable your MOC 2007 to have the status "Appear Offline". Once you have this status, you can set yourself to appear offline while you are online. By default presence status in your office communicator will look...

There might be situation that you would like to know the SIP URIs of the users, which are connected to one of the OCS servers under a pool. This article is to understand a SQL query which will help us find out list of users, which are connected to...

Well... there are some Microsoft customers who would like to have two different forests. They'll use one forest to deploy resources like LCS, OCS, Exchange etc.. and they will use other forest to host users. This is fairly simple using any identity integration...

ISA 2006 without service pack has problem reading SAN DNS names, and this is the reason you need to have External web farm FQDN as subject name of the certificate which is configured on the default web site of the web component server. This issue has...