Creating a new OAB in Exchange 2013

Open Exchange management shell New-OfflineAddressBook –name “OAB yshvili” –Addresslists “\Default Global Address List” Get-OfflineAddressBook Get-OfflineAddressBook | Update-OfflineAddressBook Get-OfflineAddressBook –Identity “oab yshvili” | fl

Exchange Server 2016 Architecture

have removed the Client Access server (CAS) role and added the client access services to the Mailbox role. Even without the CAS role, the system maintains loose coupling in terms of functionality, versioning, user partitioning and geographical affinity.