Windows Server 2016 – Role Upgrades

windows-server-2016On the 19th October 2016, Microsoft have clarified what can and cannot be upgraded in-place from Windows Server 2012 and 2012 R2 to Windows Server 2016.

The applications/services which cannot be directly upgraded are:

  • Active Directory Federation Services
  • Hyper-V
  • Print and Fax Services

More details can be found Server Role Upgrades and migration matrix for Windows Server 2016.

Server Role Upgradeable from Windows Server 2012 R2? Upgradeable from Windows Server 2012? Migration Supported? Can migration be completed without downtime?
Active Directory Certificate Services Yes Yes Yes No
Active Directory Domain Services Yes Yes Yes Yes
Active Directory Federation Services No No Yes No (new nodes need to be added to the farm)
Active Directory Lightweight Directory Services Yes Yes Yes Yes
Active Directory Rights Management Services Yes Yes Yes No
DHCP Server Yes Yes Yes Yes
DNS Server Yes Yes Yes No
Failover Cluster Yes with Cluster OS Rolling Upgrade process which includes node Pause-Drain, Evict, upgrade to Windows Server 2016 and rejoin the original cluster. Yes, when the server is removed by the cluster for upgrade and then added to a different cluster. Not while the server is part of a cluster. Yes, when the server is removed by the cluster for upgrade and then added to a different cluster. Yes No for Windows Server 2012 Failover Clusters. Yes for Windows Server 2012 R2 Failover Clusters with Hyper-V VMs or Windows Server 2012 R2 Failover Clusters running the Scale-out File Server role. See Cluster OS Rolling Upgrade.
File and Storage Services Yes Yes Varies by sub-feature No
Hyper-V Yes. (When the host is part of a cluster with Cluster OS Rolling Upgrade process which includes node Pause-Drain, Evict, upgrade to Windows Server 2016 and rejoin the original cluster.) No Yes No for Windows Server 2012 Failover Clusters. Yes for Windows Server 2012 R2 Failover Clusters with Hyper-V VMs or Windows Server 2012 R2 Failover Clusters running the Scale-out File Server role. See Cluster OS Rolling Upgrade.
Print and Fax Services No No Yes (Printbrm.exe) No
Remote Desktop Services Yes, for all sub-roles, but mixed mode farm is not supported Yes, for all sub-roles, but mixed mode farm is not supported Yes No
Web Server (IIS) Yes Yes Yes No
Windows Server Essentials Experience Yes N/A – new feature Yes No
Windows Server Update Services Yes Yes Yes No
Work Folders Yes Yes Yes Yes from WS 2012 R2 cluster when usingCluster OS Rolling Upgrade.

Credit to Mike Brannigan for bringing this to my attention.

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