I ran into an issue with a Hyper-V server with 6 NIC’s, some of the NIC’s in Network and Sharing center were being categorized as ‘unidentified network’ and giving the public designation. I could change it to private, but every reboot it would revert back. The issue with public network was that network discovery and file sharing was turned off, so even the NIC that was joined to the domain had little connectivity. Below fixed the issue.
You can change the security setting so that the network is not made public in the first place.
To do this on your local server or Vista/Windows 7 desktop , follow these steps:
1. Start –> run –> MMC –> press enter
2. In MMC console , from menu file select Add/Remove Snap-in
3. Select Group Policy Object editor –> Press Add –> select Local computer –> press OK –>press OK
4. Open Computer configration –>Windows Settings –>Security Settings –>select Network list manager policies
on the right Side you will see options for :
double click –>Unidentified networks
Then you can select the option to consider the Unidentified networks as private and if user can change the