I have been configuring servers lately and have come across an issue that wasn’t clear.
I needed to enable network discovery, so I simply went to the advanced sharing center 
I was unable to keep the sharing active.
I realized that I needed to ensure that the following services were running:
- Function Discovery Resource Publication
SSDP Discovery
UPnP Device Host
Also, I wanted to see ping requests, so I enabled the following in the Advanced Firewall settings:
