Watch this video to see how easy it is to make mass changes to Active Directory from an external text file without using complicated scripts.
Windows Server 2012 R2 Datacenter 64-bit
Windows Server 2012 R2 Standard 64-bit
Windows Server 2012 Datacenter 64-bit
Windows Server 2012 Standard 64-bit
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It means you cannot use Essential version.
If your organization has a need to mass-create AD user accounts, watch this video to see how its done without the need for scripting or other unnecessary complexities.