Outlook Integration Error – Microsoft office Communicator 2007!

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 2007 installed on the client, I follow the following steps to ensure that the issue gets resolved. 1. I…

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Maximum supported users for different topologies!

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-8974c3b596f4&displaylang=en     Topology Supported Performance Stand-alone Access Edge Server 15,000 client connections Stand-alone Web Conferencing Edge Server 3,000 client connections Stand-alone A/V Edge Server 1,500 concurrent audio/video…

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How does OCS select Exchange UM Server…

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 will check if the user is enabled for Unified Messaging. The attribute it…

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Outlook DLLs and Microsoft Office Communicator

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 for different purposes. The following (Outlook) files are held “in use” when Communicator 2005 or…

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Commands to Prepare and Verify Schema, Forest and Domain

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:checkschemaprepstateHow to prepare the forest for LCS\OCS LCScmd.exe /forest /action:ForestPrep How to verify if the forest is prepared for LCS\OCS LCScmd.exe /forest /action:CheckForestPrepStateHow to prepare the domain for LCS\OCS…

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Normalization of phone number at the client end or server end?

  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 dialed number into E.164 format.. Each user is assigned a location Profile,…

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Migration from LCS 2003 to OCS 2007

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 2003 Active Directory. Now they didnt have any other option than searching…

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How to enable “Appear Offline” presence status in office communicator?

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 like as follow. If you want to add more custom status, click…

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How to find out the SIP URIs of users connected on one particular OCS Front End server

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 one particular OCS Front End Server….

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Inter forest LCSOCS deployment without identity integration application (MIIS, IIFP etc…)

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 application like MIIS, IIFP etc. But recently I worked with a customer…

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