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    Hey guys,
    I am upgrading from Live Communications Server 2005 to Office Communications Server 2007. Is there anything special i need to know about the upgrade? or can i just do an upgrade and everything work?
    Thanks!
    Adam
    Wednesday, August 5, 2009 12:14 PM

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    Did you get the opportunity to check out TechNet Library "Supported Migration Paths and Coexistence Scenarios" ?

    TechNet Forum Moderator - http://www.leedesmond.com
    Wednesday, August 5, 2009 3:27 PM
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    If you are upgrading to R2 here is the list of documentation...

    http://www.microsoft.com/downloads/details.aspx?FamilyID=E9F86F96-AA09-4DCA-9088-F64B4F01C703&displaylang=en

    There is a R2 migration from 2005 document that details the differences from a normal build.

    One of the main parts from an upgrade from 2005 is that you build out the edge server first, there are some updates you need but 2005 will work with a 2007 edge server in place of the proxy server.

    Hope this helps.

    Mike

    Edit:  I should have mentioned as well... as Desmond mentioned, it's technically not an upgrade, you have to build out a new server and migrate the users
    Wednesday, August 5, 2009 3:36 PM
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    Hi

    There are some mandatory updates on LCS 2005 SP1 (post SP1) before migrating to OCS, check Technet.
    Take care also of the global settings location in AD (Technet too).
    Wednesday, August 5, 2009 3:55 PM
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    Before deploying any OCS components in the environment the LCS server must first be upgraded to SP1 (if not already) and the following hotfixes applied in the order they are listed.  If the patches are installed out-of-order than the LCS Front-End services may fail to restart.

    ·        Update for Live Communications Server 2005: KB911966

    o   Apply this patch to the LCS 2005 Standard Edition server first.

    o   It is required to remove all previously installed hotfixes for Live Communications Server 2005 SP1 before installing this update.  Read through the KB article for this patch very carefully as there are very specific instructions

     

    ·        Update for Live Communications Server 2005: KB921543

    o   Apply this patch to the LCS 2005 Standard Edition server after hotfix 911966 is correct applied.

    Jeff Schertz, PointBridge | MVP | MCITP: Enterprise Messaging | MCTS: OCS
    Wednesday, August 5, 2009 4:15 PM
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    You'll also need to make sure that you have a certificate deployed to the LCS server an although TCP-based client communications will still be supported, the LCS server can only talk to the OCS server using MTLS, which requires a certificate.  All server-to-server communictions require certificates.

    Also, there is at least one known coexsistence issue with one-way presence that you'll want to be aware of just in case:
    https://blogs.pointbridge.com/Blogs/mcgillen_matt/Pages/Post.aspx?_ID=9
    Jeff Schertz, PointBridge | MVP | MCITP: Enterprise Messaging | MCTS: OCS
    Wednesday, August 5, 2009 4:19 PM
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    Hi

    All the answers are good.
    Per my opinion, you could learn about the migration from LCS2005 to OCS2007R2 refer to below links firstly:
    http://technet.microsoft.com/en-us/library/dd425356(office.13).aspx 
    http://technet.microsoft.com/en-us/library/dd819973(office.13).aspx 
    Or you could download the document from below link:
    http://www.microsoft.com/downloads/details.aspx?FamilyID=E9F86F96-AA09-4DCA-9088-F64B4F01C703&displaylang=en 

    And then you'll have a general and better comprehension about the migration course.

    Hope this helpful.
    Regards!

    Monday, August 10, 2009 6:29 AM
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    Thanks guys,
    I got it installed on another machine seperate from the LCS. But one thing i am having a problem with is that i can't find any users in the new OCS. Its not looking in AD for some reason.
    Any ideas?
    Thanks!
    Monday, August 17, 2009 7:08 PM
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    You need to first enable the LCS users for OCS.  Using the OCS Management console take a look at the "Earlier Server Version" folder in the console tree.  you should find your LCS pool listed there with the Users underneath it.  You can then select and 'Move' those accounts to the OCS pool to begin configuring them for OCS features.

    On important note: Make sure that you do NOT enable Enhanced Presence until you simultaneously upgrade the end-user's workstation with the appropriate OC client.  Office Communicator 1.0 (for LCS 2005) doe not support users enabled for Enhanced Presence.  That setting is also irreversible.
    Jeff Schertz, PointBridge | MVP | MCITP: Enterprise Messaging | MCTS: OCS
    Monday, August 17, 2009 7:22 PM
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    You need to first enable the LCS users for OCS.  Using the OCS Management console take a look at the "Earlier Server Version" folder in the console tree.  you should find your LCS pool listed there with the Users underneath it.  You can then select and 'Move' those accounts to the OCS pool to begin configuring them for OCS features.

    On important note: Make sure that you do NOT enable Enhanced Presence until you simultaneously upgrade the end-user's workstation with the appropriate OC client.  Office Communicator 1.0 (for LCS 2005) doe not support users enabled for Enhanced Presence.  That setting is also irreversible.
    Jeff Schertz, PointBridge | MVP | MCITP: Enterprise Messaging | MCTS: OCS

    Jeff, When i go in and do that, it doesn't give me the option to move it to the new OCS. Any thoughts?
    Thanks!
    Adam
    Monday, August 17, 2009 8:22 PM
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    Adam,

    Take a look at this documentation: http://technet.microsoft.com/en-us/library/dd572624(office.13).aspx
    Jeff Schertz, PointBridge | MVP | MCITP: Enterprise Messaging | MCTS: OCS
    Monday, August 17, 2009 8:55 PM
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    Jeff,
    One problem i see is that i don't have R2 installed. I have OCS 2007 x86. Does R2 have a x86 version? The only thing i see on MSDN is x64.
    Thanks!
    Adam
    Wednesday, August 19, 2009 12:24 PM
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    There is no x86 version of OCS R2, it's 64-bit only, just as the pre-R2 release is 32-bit only.
    Jeff Schertz, PointBridge | MVP | MCITP: Enterprise Messaging | MCTS: OCS
    Wednesday, August 19, 2009 12:33 PM
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