Teams only users and Skype for business 2015 users interoperability

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Frequent Contributor

Hi Community, 

 

One of our customer raised the below query:

 

Environment:

 

SfB 2015 

Hybrid deployed with Teams tenant.

Teams only mode enabled for Teams users.

 

Behaviors:

 

Sfb 2015 on-prem users are able to send IM to Teams only users?

Teams only users cannot send IM to SfB 2015 on-prem users?

 

Question:

Is this the expected behavior?

Any documentation available to describe this?

 

Many thanks in advance. 

2 Replies
Are the s4b users moved to Skype online? I believe they need to be moved to office 365 for you to be able to communicate
It’s supposed to work but I’ve seen people complain about it. Make sure those users are setup as Skype only for your Upgrade mode in Teams admin. They can’t be on Teams Only still using onprem client and get Interop messages.

They also ad Adam alludes to have their account show up in the admin center or basically what’s called homed in S4B online. Check those things and report back. A full configured Skype hybrid with users homes in online is required for interop to work.
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