MinRole is a new farm topology based on a set of predefined server roles which got. Demystifying MinRole in SharePoint Server. Jan 15 2018 Automated deployment. Oct 4, 2017. Exchange Server 2019. The next version will be called Exchange Server 2019 and it will be an on-premises version. Currently, there are no details about the architecture, Roles, Requirements etc but the first preview will be available during mid-2018. The OMi…