Unable to verify NDMP Host

Hello,

I´m using Netbackup 7.5 on a Windows Server 2008R2. I have got a robot libary (LTO3) with six drives. I can catalog and import the LTO tapes without any problems. The tapes a written with NDMP.

I have got a SAN network with the libary, a robot, the server 2008r2 with NBU and celerra ns 480. There are all conncted via Fibre Channel to a SAN switch (there a all in the same zone). 

The license for NDMP is activated. I have got root access on the ns480. The NDMP service is already started.

Now my problem is, how can I connect NBU with the fibre channel to the ns480 ? I want to restore the LTO3 tapes via NDMP at the celerra ns 480.

regards,

Henning