DNS workng but not resolving itself

Just promoted my 1st 2012 server to DC to replace 2003 DC.  DNS has replicated to 2012 and zone entries are the same on both servers.  The hostname of the 2012 server is not resolving even though there is entries in DNS on both servers for it.
DNS on the 2012 server seems to be resolving everything else correctly except it's own name.  Network discovery and file share are enabled.  The NIC on both servers has the IP address of the 2003 server for DNS.   I can get to the 2012
server if I use it's IP address but Client computers need to be able to get to the 2012 server by hostname. 

try :
1. Restart DNS services
2. run these commands on server :
ipconfig \flushdns
ipconfig \registerdns
Arnav Sharma | http://arnavsharma.net/ Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading
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