Veeam backup fails to start due to firewall setting
Applies to
- ONTAP 9
 - NDMP
 - Veeam
 
Issue
- Firewall rules block ports for nmdp data connections.
 - Error messages of 
Cannot connect to ndmp-server socketcan be observed from Veeam software log. 
Example:
Full backup: Cannot connect to ndmp-server socket.
--tr:Failed to create NDMP data reader for host:
'x.x.x.x', port: '10000'
Couldn't create ndmpReader