After the expiration of evaluation period of Window Server. you will face suddenly shutdown every one hour ! it’s annoying.therefore,in this case,you only have two options:
- Activate windows by purchasing a new Key.
- Extend evaluation period.(Simplest & Quickly method).
Therefore, to extend the evaluation period follow the bit mentioned steps below:
- Open Command prompt as Administrator
- Type the following command “slmgr.vbs /rearm” which reset the licensing status of machine and press enter
- Restart your server then you will found the evaluation period expired to 180 day
Thanks to MOHAMMED EL KASSAS