Specifications |
Foundation |
Essentials |
Standard |
Datacenter |
Distribution |
OEM only
|
Retail, volume licensing, OEM
|
Retail, volume licensing, OEM
|
Volume licensing and OEM
|
Licensing model |
Per server
|
Per server
|
Per CPU pair[c] + CAL[d]
|
Per CPU pair[c] + CAL[d]
|
Processor chip limit[44] |
1
|
2
|
64[e]
|
64[e]
|
Memory limit |
32 GB
|
64 GB
|
4 TB
|
4 TB
|
User limit |
15 |
25 |
Unlimited |
Unlimited |
File Services limits |
1 standalone DFS root |
1 standalone DFS root |
Unlimited |
Unlimited |
Network Policy and Access Services limits |
50 RRAS connections and 10 IAS connections |
250 RRAS connections, 50 IAS connections, and 2 IAS Server Groups |
Unlimited |
Unlimited |
Remote Desktop Services limits |
50 Remote Desktop Services connections |
Gateway only |
Unlimited |
Unlimited |
Virtualization rights |
N/A |
Either in 1 VM or 1 physical server, but not both at once |
2 VMs[c] |
Unlimited |
DHCP role |
Yes |
Yes |
Yes |
Yes |
DNS server role |
Yes |
Yes |
Yes |
Yes |
Fax server role |
Yes |
Yes |
Yes |
Yes |
UDDI Services |
Yes |
Yes |
Yes |
Yes |
Print and Document Services |
Yes |
Yes |
Yes |
Yes |
Web Services (Internet Information Services) |
Yes |
Yes |
Yes |
Yes |
Windows Deployment Services |
Yes |
Yes |
Yes |
Yes |
Windows Server Update Services |
No |
Yes |
Yes |
Yes |
Active Directory Lightweight Directory Services |
Yes |
Yes |
Yes |
Yes |
Active Directory Rights Management Services |
Yes |
Yes |
Yes |
Yes |
Application server role |
Yes |
Yes |
Yes |
Yes |
Server Manager |
Yes |
Yes |
Yes |
Yes |
Windows Powershell |
Yes |
Yes |
Yes |
Yes |
Active Directory Domain Services |
Must be root of forest and domain |
Must be root of forest and domain |
Yes |
Yes |
Active Directory Certificate Services |
Certificate Authorities only |
Certificate Authorities only |
Yes |
Yes |
Active Directory Federation Services |
Yes[51] |
No |
Yes |
Yes |
Server Core mode |
No |
No |
Yes |
Yes |
Hyper-V |
No |
No |
Yes |
Yes |