Windows Server Evaluation - How to Rearm 10 Day Activation Grace Period

How to manually rearm the 10 day activation grace period
When the initial 10-day activation period nears its end, you can run the Slmgr.vbs script to reset it back to 10 days. To do this, follow these steps: 

·  1. Click Start, and then click Command Prompt.

·  2. Type slmgr.vbs -dli, and then press ENTER to check the current status of your activation period.

·  3. To reset the activation period, type slmgr.vbs –rearm, and then press ENTER.

·  4. Restart the computer.