If you want to use Windows Server 2012 Datacenter on workstation/laptop (sometimes it is handy to have mobile workstation with server operating system) you might experience issues with wireless networking. Even if driver for wireless network adapter is installed you might not be able to connect to any wi-fi network.
In order to use wireless in Windows Server 2012 Datacenter additional feature has to be installed: Wireless LAN Service. This can be installed from PowerShell prompt using add-windowsfeature wireless-networking command, as shown on screenshot below:
Once installed and server rebooted make sure that WLAN AutoConfig service is started, as shown on screenshot below: