This is a quick post on how to obtain the license key for your on-premises Exchange Hybrid Server.
Even though that there is no such role like a Hybrid Server, you can get a dedicated license key to license your Exchange server used for Office 365 hybrid connectivity.
While using your Office 365 Global Administrator login, you can access your hybrid product key using the follow link:
The web site will check if your Office 365 tenant is eligible for an hybrid key first. Then you have to select the approriate Exchange Server version.
- Exchange Server Hybrid Deployments, https://technet.microsoft.com/en-us/library/jj200581(v=exchg.150).aspx
- Exchange Hybrid Key,
Enjoy your Exchange hybrid setup wth Office 365.