Interaction Skype for Business Office 365 and Lync 2013

Hello Team

I have a client who has Lync 2013 On premisses and he is migrating to Office 365 . I want to know if there is any means to have an Office 365 User to add Contacts that are sitting on the On premises servers?

Is it possible and how can we achieve that?

I want to mention that the client was using this Lync 2013 just for Internal communication

Rgds
gazambeyIT CONSULTANTAsked:
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Blue Street TechLast KnightCommented:
Hi Gazambey,

I have a client who has Lync 2013 On premisses and he is migrating to Office 365 . I want to know if there is any means to have an Office 365 User to add Contacts that are sitting on the On premises servers?

Is it possible and how can we achieve that?
There are a few different ways to migrate to O365, so which are you implementing...Cut-Over, Staged, Hybrid? All of them should allow your user to migrate over without any issue aka working through the migration, loosing data from their on-premise installation, etc.

I included some links in case you have not yet decided:
Decide which Migration: https://support.office.com/en-us/article/decide-on-a-migration-path-0d4f2396-9cef-43b8-9bd6-306d01df1e27
Ways to Migrate: https://support.office.com/en-us/article/ways-to-migrate-multiple-email-accounts-to-office-365-0a4913fe-60fb-498f-9155-a86516418842?ui=en-US&rs=en-US&ad=US
How Cut-Over works: https://support.office.com/en-us/article/Cutover-migration-to-Office-365-9496e93c-1e59-41a8-9bb3-6e8df0cd81b4
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Mohammed HamadaSenior IT ConsultantCommented:
It's doable and pretty easy. You just need to have the right setup and topology which is going to be Hybrid setup in your case.
It will depend on the following:

1- Setting up DirSync (Azure active Directory Sync tool) to sync users from on-prem to AD with their on-premises Attributes).
2- You will need to have Lync 2013 Edge Server with Public Certificate which includes the sip SAN of your federated domain on office 365.
3- From Lync 2013 management shell you'll need to follow the procedure of doing hybrid config with Office 365's skype for Business/Teams.
4- As soon as you do the Hybrid, You can have call flow between both environments and you can migrate users to the cloud or to the on-premises.
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gazambeyIT CONSULTANTAuthor Commented:
Thx
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Microsoft Lync Server

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