With this nice tool you’re able to manage your Windows 2008 R2 server Core Edition through a graphical user interface. This tool is open source, so if you want something more in it, go ahead! 
Core Configuration tasks include:
- Product Licensing
- Networking Features
- DCPromo Tool
- ISCSI Settings
- Server Roles and Features
- User and Group Permissions
- Share Creation and Deletion
- Dynamic Firewall settings
- Display | Screensaver Settings
- Add & Remove Drivers
- Proxy settings
- Windows Updates (Including WSUS)
- Multipath I/O
-Hyper-V including virtual machine thumbnails
- JoinDomain and Computer rename
- Add/remove programs
- Services
- WinRM
-Complete logging of all commands executed
You can download the tool here.
