As Skype for Business Online gains adoption, there are more questions regarding feature support with Exchange On-Premises and pure Skype for Business Online (not hybrid). Specifically, what integrated features are supported and what limitations exist? This article provides a summary of what to expect in this scenario.
For starters, Exchange Server 2016/2013/2010 on-premises and a pure Skype for Business Online is supported with the right configuration. This Microsoft Support article is not well advertised but is a good reference on how to support this scenario: How to integrate Exchange Server 2013 with Lync Server 2013, Skype for Business Online, or a Lync Server 2013 hybrid deployment.
More details on co-existence . . . → Read More: Skype for Business Online Coexistence with Exchange On-Premises