Domain Functional Level Client Compatibility Matrix

Microsoft windows 2003 server sp1 and sp2 at the windows server 2003 forest functional level.

Domain functional level client compatibility matrix. There are some explanations with the functions up to windows server 2008 r2 and some on the differences between windows server 2008 r2 and windows server 2012. Today i recognized that it is not easy to find a comprehensive summary table about active directory domain and forest functional levels operating mode on the internet. If you are upgrading exchange server from an unsupported cu to the current cu and no intermediate cus are available you should first upgrade to the latest version of net that s supported by your version of exchange server and then immediately upgrade to the current cu.

Cross forest trust compatibility. Forest domain functional level will still be 2003. This includes minor and patch level releases of the net framework.

The articles covers os versions for dcs and forest domain levels but not the schema forest domain prep levels. Storage systems running data ontap can provide services to a specific set of windows clients and domain controllers. But we need to confirm is there support for running lync server 2013.

A new domain that is created on a domain controller that runs at least windows server 2012 r2 must be set to the windows server 2008 domain functional level or higher. Forest functional levels and domain functional levels are a mechanism that microsoft uses to support backward compatibility with previous versions of active directory and to expose more advanced functionality as functional levels are raised. After you set the domain functional level to a certain value in windows server 2008 r2 you cannot roll back or lower the domain functional level with one exception.

Cross forest trust compatibility. Are 2007 sp1 ru9 2003 sp2 servers supported in this configuration. We aren t covered for 2008 r2 under software assurance.

Supported windows clients and domain controllers search within this manual search all support content. Domain based dfs namespaces running in windows server 2008 mode which includes support for access based enumeration and increased scalability. When you raise the domain functional level to windows server 2008 r2 and if the forest functional level is windows server 2008 or lower you have the option of rolling the domain.