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Locks and Limits |
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Locks and Limits |
Windows Server 2019 Standard |
Windows Server 2019 Datacenter |
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Maximum number of users |
Based on CALs |
Based on CALs |
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Maximum SMB connections |
16777216 |
16777216 |
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Maximum RRAS connections |
unlimited |
unlimited |
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Maximum IAS connections |
2147483647 |
2147483647 |
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Maximum RDS connections |
65535 |
65535 |
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Maximum number of 64-bit sockets |
64 |
64 |
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Maximum number of cores |
unlimited |
unlimited |
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Maximum RAM |
24 TB |
24 TB |
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Can be used as virtualization guest |
Yes; 2 virtual machines, plus one Hyper-V host per license |
Yes; unlimited virtual machines, plus one Hyper-V host per license |
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Server can join a domain |
yes |
yes |
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Edge network protection/firewall |
no |
no |
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DirectAccess |
yes |
yes |
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DLNA codecs and web media streaming |
Yes, if installed as Server with Desktop Experience |
Yes, if installed as Server with Desktop Experience |
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SERVER ROLES |
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Windows Server roles available |
Role services |
Windows Server 2019 Standard |
Windows Server 2019 Datacenter |
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Active Directory Certificate Services |
|
Yes |
Yes |
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Active Directory Domain Services |
|
Yes |
Yes |
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Active Directory Federation Services |
|
Yes |
Yes |
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AD Lightweight Directory Services |
|
Yes |
Yes |
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AD Rights Management Services |
|
Yes |
Yes |
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Device Health Attestation |
|
Yes |
Yes |
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DHCP Server |
|
Yes |
Yes |
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DNS Server |
|
Yes |
Yes |
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Fax Server |
|
Yes |
Yes |
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File and Storage Services |
File Server |
Yes |
Yes |
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File and Storage Services |
BranchCache for Network Files |
Yes |
Yes |
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File and Storage Services |
Data Deduplication |
Yes |
Yes |
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File and Storage Services |
DFS Namespaces |
Yes |
Yes |
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File and Storage Services |
DFS Replication |
Yes |
Yes |
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File and Storage Services |
File Server Resource Manager |
Yes |
Yes |
|
File and Storage Services |
File Server VSS Agent Service |
Yes |
Yes |
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File and Storage Services |
iSCSI Target Server |
Yes |
Yes |
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File and Storage Services |
iSCSI Target Storage Provider |
Yes |
Yes |
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File and Storage Services |
Server for NFS |
Yes |
Yes |
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File and Storage Services |
Work Folders |
Yes |
Yes |
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File and Storage Services |
Storage Services |
Yes |
Yes |
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Host Guardian Service |
|
Yes |
Yes |
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Hyper-V |
|
Yes |
Yes; including Shielded Virtual Machines |
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MultiPoint Services |
|
Yes |
Yes |
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Network Controller |
|
No |
Yes |
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Network Policy and Access Services |
|
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Print and Document Services |
|
Yes |
Yes |
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Remote Access |
|
Yes |
Yes |
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Remote Desktop Services |
|
Yes |
Yes |
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Volume Activation Services |
|
Yes |
Yes |
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Web Services (IIS) |
|
Yes |
Yes |
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Windows Deployment Services |
|
Yes* |
Yes* |
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Windows Server Essentials Experience |
|
Yes |
Yes |
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Windows Server Update Services |
|
Yes |
Yes |
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*WDS Transport Server is new to Server Core installations in Windows Server 2019 (also in the semi-annual channel starting with Windows Server, version 1803) |
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FEATURES |
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Windows Server Features installable with Server Manager (or PowerShell) |
Windows Server 2019 Standard |
Windows Server 2019 Datacenter |
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.NET Framework 3.5 |
Yes |
Yes |
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.NET Framework 4.6 |
Yes |
Yes |
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Background Intelligent Transfer Service (BITS) |
Yes |
Yes |
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BitLocker Drive Encryption |
Yes |
Yes |
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BitLocker Network Unlock |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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BranchCache |
Yes |
Yes |
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Client for NFS |
Yes |
Yes |
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Containers |
Yes (Windows containers unlimited; Hyper-V containers up to 2) |
Yes (all container types unlimited) |
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Data Center Bridging |
Yes |
Yes |
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Direct Play |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Enhanced Storage |
Yes |
Yes |
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Failover Clustering |
Yes |
Yes |
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Group Policy Management |
Yes |
Yes |
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Host Guardian Hyper-V Support |
No |
Yes |
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I/O Quality of Service |
Yes |
Yes |
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IIS Hostable Web Core |
Yes |
Yes |
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Internet Printing Client |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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IPAM Server |
Yes |
Yes |
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iSNS Server service |
Yes |
Yes |
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LPR Port Monitor |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Management OData IIS Extension |
Yes |
Yes |
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Media Foundation |
Yes |
Yes |
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Message Queueing |
Yes |
Yes |
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Multipath I/O |
Yes |
Yes |
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MultiPoint Connector |
Yes |
Yes |
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Network Load Balancing |
Yes |
Yes |
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Peer Name Resolution Protocol |
Yes |
Yes |
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Quality Windows Audio Video Experience |
Yes |
Yes |
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RAS Connection Manager Administration Kit |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Remote Assistance |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Remote Differential Compression |
Yes |
Yes |
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RSAT |
Yes |
Yes |
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RPC over HTTP Proxy |
Yes |
Yes |
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Setup and Boot Event Collection |
Yes |
Yes |
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Simple TCP/IP Services |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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SMB 1.0/CIFS File Sharing Support |
Installed |
Installed |
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SMB Bandwidth Limit |
Yes |
Yes |
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SMTP Server |
Yes |
Yes |
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SNMP Service |
Yes |
Yes |
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Software Load Balancer |
Yes |
Yes |
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Storage Replica |
No |
Yes |
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Telnet Client |
Yes |
Yes |
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TFTP Client |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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VM Shielding Tools for Fabric Management |
Yes |
Yes |
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WebDAV Redirector |
Yes |
Yes |
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Windows Biometric Framework |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Windows Defender features |
Installed |
Installed |
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Windows Identity Foundation 3.5 |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Windows Internal Database |
Yes |
Yes |
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Windows PowerShell |
Installed |
Installed |
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Windows Process Activation Service |
Yes |
Yes |
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Windows Search Service |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Windows Server Backup |
Yes |
Yes |
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Windows Server Migration Tools |
Yes |
Yes |
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Windows Standards-Based Storage Management |
Yes |
Yes |
|
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Windows TIFF IFilter |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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WinRM IIS Extension |
Yes |
Yes |
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WINS Server |
Yes |
Yes |
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Wireless LAN Service |
Yes |
Yes |
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WoW64 support |
Installed |
Installed |
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XPS Viewer |
Yes, when installed as Server with Desktop Experience |
Yes, when installed as Server with Desktop Experience |
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Features available generally |
Windows Server 2019 Standard |
Windows Server 2019 Datacenter |
|
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Best Practices Analyzer |
Yes |
Yes |
|
|
Constrained Storage Replica |
Yes, (1 Partnership and 1 Resource Group with Single 2TB volume) |
Yes, unlimited |
|
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Direct Access |
Yes |
Yes |
|
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Dynamic Memory (in virtualization) |
Yes |
Yes |
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Hot Add/Replace RAM |
Yes |
Yes |
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Microsoft Management Console |
Yes |
Yes |
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Minimal Server Interface |
Yes |
Yes |
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Network Load Balancing |
Yes |
Yes |
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Windows PowerShell |
Yes |
Yes |
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Server Core installation option |
Yes |
Yes |
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Nano Server installation option |
Yes |
Yes |
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Server Manager |
Yes |
Yes |
|
|
SMB Direct and SMB over RDMA |
Yes |
Yes |
|
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Software-defined Networking |
No |
Yes |
|
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Storage Management Service |
Yes |
Yes |
|
|
Storage Spaces |
Yes |
Yes |
|
|
Storage Spaces Direct |
No |
Yes |
|
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Volume Activation Services |
Yes |
Yes |
|
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VSS (Volume Shadow Copy Service) integration |
Yes |
Yes |
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Windows Server Update Services |
Yes |
Yes |
|
|
Windows System Resource Manager |
Yes |
Yes |
|
|
Server license logging |
Yes |
Yes |
|
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Inherited activation |
As guest if hosted on Datacenter |
Can be host or guest |
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Work folders |
Yes |
Yes |
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