My customer can´t create backups using OSB 12. Backup completed with status "communications failure

Oracle Secure Backup 12.1.0.1.0

Solaris 11.1 T3.1

TAPE SL150

Storage ZFS 7320. 

22.1:  488: NDMP_DATA_CONNECT failed: couldn't connect to server.

22.1:  489: The error reported was "Connection timed out".

22.1:  490: Error: data service cannot connect to mover - error connecting to another NDMP server (NDMP client)

ob>  lsjob -ljroRCL 22

22:

    Type:                   dataset Diario

    Level:                  full

    Family:                 Diarias

    Encryption:             off

    Scheduled time:         11/10.12:47

    Introduction time:      2015/11/10.00:23

    Earliest exec time:     11/10.12:47

    Last update time:       2015/11/10.15:13

    Expire time:            never

    State:                  failed at 2015/11/10.15:13 - communications failure with client

    Priority:               100

    Privileged op:          no

    Run on host:            (administrative server)

    Requires:               any device

    Attempts:               1

    Log:

        2015/11/10.00:23:15 Job created.

        2015/11/10.12:47:19 Dataset processed; host backups scheduled.

        2015/11/10.15:13:16 Job failed.

22.1:

    Type:                   backup z7001

    Level:                  full