Windows Server® 2012 R2 Products and Editions Windows Server Windows Server Windows Server Windows Server 2012 R2 2012 R2 Standard 2012 R2 2012 R2 Datacenter Essentials Foundation Microsoft Hyper-V® Windows Storage Windows Storage Server 2012 R2 Server 2012 R2 Server 2012 R2 Standard Workgroup Locks and Limits Maximum number of users Maximum SMB Connections Maximum RRAS Connections Maximum IAS Connections Maximum number of 64-bit sockets Maximum RAM Server can join a domain DirectAccess based on licenses 16,777,216 unlimited 2,147,483,647 64 TB Yes Yes based on licenses 16,777,216 unlimited 2,147,483,647 64 TB Yes Yes 25 16777216 50 50 64 GB For migration only See documentation 15 30 50 10 32 GB For migration only Yes unlimited 16,777,216 250 50 64 TB Yes No unlimited 16,777,216 50 50 64 TB Yes Yes 50 250 50 50 32 GB Yes Yes Active Directory® Certificate Services Active Directory Domain Services Active Directory Federation Services AD Lightweight Directory Services AD Rights Management Services Application Server DHCP Server Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Required Yes No Yes Yes Yes Yes Yes (optional) Yes Yes Yes Yes Yes No No No No No No No No No No Yes No No Yes No No No Yes No No No DNS Server Fax Server File Services Hyper-V Network Policy and Access Services Print and Document Services Remote Access Terminal Services Application Sharing Terminal Services Gateway Web Services (IIS) Windows Deployment Services Windows Essentials Windows Media Services support (Streaming Media Services) WINS Server Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes See Installation Options documentation Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes See Installation Options documentation Yes Yes Yes Yes No Yes Yes Yes No No Yes Yes Default Yes No No Limited features Yes No No No No No No No No No Yes No Yes Yes No Yes No No No Yes No No No No No Yes No No Yes No No No Yes No No No Yes Yes Yes Yes No Yes Yes Yes Yes See documentation Yes Yes No See Installation Options documentation Yes No Yes No RODC – read only domain controller Automatic Virtual Machine Activation Best Practices Analyzer BranchCache Hosted Server BranchCache P2P Cache Windows Control Panel Distributed File System Replication Data Deduplication ISCSI target support DirectAccess Dynamic Memory (in virtualization) Failover Clustering Yes Both guest and host Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes As guest Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No As guest Yes Yes Yes Yes Yes No Yes Yes Yes No No No Yes Yes Yes Yes Yes No Yes Yes No No No No Yes No No No No No No No No Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes No Yes Yes Yes No Yes Yes No No "Hot" add/replace RAM IPAM (IP Address Management) Microsoft Management Console Minimal Server Interface Network Load Balancing Support for Non-volatile Memory Express Windows PowerShell Server Core mode Server license logging Server Manager SMB Direct and SMB over RDMA Storage Management Service Storage Spaces Volume Activation Services VSS (Volume Shadow Copy Service) integration Windows Server Update Services Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes No Yes Yes Yes Yes Yes No Yes No Yes Yes No Yes Yes Yes No Yes Yes Yes Yes Yes No Yes Yes No Remote only No No Yes Yes Yes the only option Yes From a remote computer Yes Basic file server only Yes No No Yes Yes Yes Yes Yes Yes Yes after setup Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes after setup Yes Yes Yes Yes Yes No Yes Yes Yes Yes No No No No Server Roles Features