Turn on Network Discovery for Windows Server 2008 – 2012

If you are unable to see your Windows Server 2008 - 2012 in your network, here is how to fix that:

1. Make sure that the following dependency services are started:
   • DNS Client
   • Function Discovery Resource Publication
   • SSDP Discovery
   • UPnP Device Host
2. Configure the Windows firewall to allow Network Discovery. To do this, follow these steps:
   1. Open Control Panel, click System and Security, and then click Windows Firewall.
   2. In the left pane, click Allow an app or feature through Windows Firewall if you are running Windows Server 2012. Or, click Allow a program or feature through Windows Firewall if you are running Windows Server 2008 or Windows Server 2008 R2.
   3. Click Change settings. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
   4. Select Network discovery, and then click OK.
3. Configure other firewalls in the network to allow Network Discovery.
4. Turn on Network Discovery in Network and Sharing Center.

https://support.microsoft.com/en-us/kb/2722035