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Windows Server 2019 Datacenter is the more advanced version of Windows Server 2019 Standard. It is used by companies which have high workload IT requirements. It has no limitations on the number of Virtual Machines or Hyper-V containers.

Windows Server 2019 Datacenter comes with following features:

 

 

Locks and Limits
Maximum number of users Based on CALs
Maximum SMB connections 16777216
Maximum RRAS connections unlimited
Maximum IAS connections 2147483647
Maximum RDS connections 65535
Maximum number of 64-bit sockets 64
Maximum number of cores unlimited
Maximum RAM 24 TB
Can be used as virtualization guest Yes; unlimited virtual machines, plus one Hyper-V host per license
Server can join a domain yes
Edge network protection/firewall no
DirectAccess yes
DLNA codecs and web media streaming Yes, if installed as Server with Desktop Experience
 

Windows Server roles available
Active Directory Certificate Services Yes
Active Directory Domain Services Yes
Active Directory Federation Services Yes
AD Lightweight Directory Services Yes
AD Rights Management Services Yes
Device Health Attestation Yes
DHCP Server Yes
DNS Server Yes
Fax Server Yes
File Server Yes
BranchCache for Network Files Yes
Data Deduplication Yes
DFS Namespaces Yes
DFS Replication Yes
File Server Resource Manager Yes
File Server VSS Agent Service Yes
iSCSI Target Server Yes
iSCSI Target Storage Provider Yes
Server for NFS Yes
Work Folders Yes
Storage Services Yes
Host Guardian Service Yes
Hyper-V Yes; including Shielded Virtual Machines
MultiPoint Services Yes
Network Controller Yes
Network Policy and Access Services Yes, when installed as Server with Desktop Experience
Print and Document Services Yes
Remote Access Yes
Remote Desktop Services Yes
Volume Activation Services Yes
Web Services (IIS) Yes
Windows Deployment Services Yes, when installed as Server with Desktop Experience
Windows Server Essentials Experience Yes
Windows Server Update Services Yes
 

Features
.NET Framework 3.5 Yes
.NET Framework 4.6 Yes
Background Intelligent Transfer Service (BITS) Yes
BitLocker Drive Encryption Yes
BitLocker Network Unlock Yes, when installed as Server with Desktop Experience
BranchCache Yes
Client for NFS Yes
Containers Yes (all container types unlimited)
Data Center Bridging Yes
Direct Play Yes, when installed as Server with Desktop Experience
Enhanced Storage Yes
Failover Clustering Yes
Group Policy Management Yes
Host Guardian Hyper-V Support Yes
I/O Quality of Service Yes
IIS Hostable Web Core Yes
Internet Printing Client Yes, when installed as Server with Desktop Experience
IPAM Server Yes
iSNS Server service Yes
LPR Port Monitor Yes, when installed as Server with Desktop Experience
Management OData IIS Extension Yes
Media Foundation Yes
Message Queueing Yes
Multipath I/O Yes
MultiPoint Connector Yes
Network Load Balancing Yes
Peer Name Resolution Protocol Yes
Quality Windows Audio Video Experience Yes