References
- User Account Management – http://technet.microsoft.com/en-us/library/office-365-user-account-…
- Office 365 integration with on-premises environments – https://support.office.com/en-au/article/Office-365-integration-wit…
- Exchange Server 2013 Hybrid Deployments – https://technet.microsoft.com/en-us/library/jj200581(v=exchg.150).aspx
- Adding Multi-Factor Authentication to Azure Active Directory – https://technet.microsoft.com/en-us/library/dn249466.aspx