Hi Brian,
As far as I know, Identity Management for UNIX Components is available on Server Core 2008 R2 as part of Active Directory Domain Services.
To install it via Powershell, please try the following command:
1. Import-Module Servermanager
2. To install all Identity Management for UNIX components, type the following:
Add-WindowsFeature ADDS-Identity-Mgmt –restart
3. To install only Password Synchronization, type the following:
Add-WindowsFeature ADDS-Password-Sync -restart
4. To install only Server for NIS, type the following:
Add-WindowsFeature ADDS-NIS -restart
For more information, please refer to Install Identity Management for UNIX Components
http://technet.microsoft.com/en-us/library/cc731178.aspx
Thanks.
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