Using SCCM how to check if the user mailbox is migrated to exchange online (cloud) from on-prem exchange

  Introduction: we are in process of migrating users (mailbox) from on-prem to office 365 (Cloud).As part of this project ,one of the requirement is to deploy office 365 proplus (C2R) application to all users replacing old version of Microsoft Office. We use Powershell Application deployment kit which simplifies the complex scripting challenges of deploying…