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Lync 2010 to SfB online and then Hybrid with SfB on-premise RRS feed

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    Hello all, 

    I have an Lync 2010 environment  and I need to migrate all users to Skype for Business online in the next few months (20 K users), next will be to decomission the Lync 2010 . Only after that we want to create an hybrid building up a Skype for business on premise to deliver full voice capabilities to our users.  Speaking with some Microsoft expert , they state that once the coexistence and then migration from Lync 2010 to SfB online is done , there is no possibility to create the hybrid with Sfb on premise anymore ... do you have the same information ? why should not be possible ? 

    Thanks a lot for your help

    Luca

    liugher

    Thursday, December 21, 2017 7:55 AM

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    Hi Gianluca,

    In the end it would be possible to move back from SFBO to onprem but there are limitations that can cause lot of trouble when migrating back. best path to follow is add sfb server 2015 in your topology and migrate everybody to the new pool. Then configure hybrid and move the users online. 

    See also:

    https://social.technet.microsoft.com/Forums/office/en-US/2692ef45-8bd3-4a7e-b2dd-64fb83eff6d0/skype-for-business-online-to-onprem-migration?forum=sfbfr

    Greetings,

    Erdem

    Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you.


    Thursday, December 21, 2017 9:32 AM

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    Hi Gianluca,

    What you can do is migrate users to the new SFB onprem deployment and then create hybrid with skype for business online. The users must homed on prem first then move to skype for business online.

    See here more info about the hybrid scenario: https://technet.microsoft.com/en-us/library/jj205403.aspx

    If you want only PSTN connectivity maybe a Cloud Connector Edition is a better option?

    Greetings,

    Erdem

    Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you.


    • Edited by Er-D Thursday, December 21, 2017 8:07 AM
    Thursday, December 21, 2017 8:05 AM
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    Hi Erdem, 

    Thanks a lot for your answer. Unfortunately i can't have the onpremise before moving users to sfb online , this is a requirement from the customer. and PSTN with CCE is not enough to provide full voice capabilities as per customer requirement. I know that is a little bit a challenge but i really want to know why i can't create an hybrid after moving all users online and after Lync 2010 will be decommissioned. Is there some caveats on AD ?  or what ?

    Regards 

    Gianluca

    liugher

    Thursday, December 21, 2017 8:10 AM
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    Hi,

    Initially hybrid was designed to move easier to Office365 and still use the functions of the onprem. It is only supported with this topology because of connectivity with AD.

    Greetings,

    Erdem

    Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you.

    Thursday, December 21, 2017 8:22 AM
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    Hi ,

    does it means that once i will decomission the lync 2010 onprem , doing the forest and domain unprep , i can't install an SfB on-prem for the hybrid anymore ? 

    Thanks a lot 

    Gianluca

    liugher

    Thursday, December 21, 2017 8:59 AM
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    Hi Gianluca,

    In the end it would be possible to move back from SFBO to onprem but there are limitations that can cause lot of trouble when migrating back. best path to follow is add sfb server 2015 in your topology and migrate everybody to the new pool. Then configure hybrid and move the users online. 

    See also:

    https://social.technet.microsoft.com/Forums/office/en-US/2692ef45-8bd3-4a7e-b2dd-64fb83eff6d0/skype-for-business-online-to-onprem-migration?forum=sfbfr

    Greetings,

    Erdem

    Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you.


    Thursday, December 21, 2017 9:32 AM
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    Hi Gianluca,

    Agree with Erdem,

    No,you could remove the online user to the on-premise ,but we donot recommend you to do this , migrate user will lack some attributes caused some troubles.

    Regards,

    Leon Lu

    Please remember to mark the replies as answers if they helped.
    If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.

    Thursday, December 21, 2017 1:08 PM
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    Hey Gianluca, take a look at the following: 

    https://ucgeek.co/2017/08/skype-business-hybrid-migrating-online-premises/

    https://blog.kloud.com.au/2015/08/26/skype-for-business-online-to-on-premises-migration/amp/

    Please mark posts as answers/helpful if it answers your question.
    Blog
    Skype Validator - Used to assist in the validation and documentation of Skype for Business/Lync Server.

    Thursday, December 21, 2017 4:11 PM
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    Hey Michael 

    long time :) , how are you ? thanks for the answer , yes indeed , I had a conversation with some Microsoft folks and they confirmed that is feasible , eventually a little bit complex than following the standard migration path : Lync 2010 -> SfB on prem --> Hybrid SfB Online + SfB On prem .  but still feasible . 

    Thanks a lot and hope that everything is fine from your side 

    Gianluca

    liugher

    Thursday, December 21, 2017 5:27 PM
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    Thanks for your update.

    Regards,

    Leon Lu

    Please remember to mark the replies as answers if they helped.
    If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.

    Tuesday, December 26, 2017 6:56 AM