Backup Hyper-V Guests on a CSV Volume

Hi ,

i have networker 8.0.2.4 on my backup server

also we have cluster of 3 servers (windows server 2012 r2), with networker 8.1.1 client , and nmm 3.0.1

i have configured the client whice represent the cluster name ,the saveset :APPLICATIONS:\Microsoft Hyper-V,

backup command: nsrsnap_vss_save -s "MyBackupServerName"

the backup complete successfully , but  it is not backing up all the csv volumes (only 3 of 7 guests, all of them are CSV)

if im running the "nsrsnap_vss_save -s  "MyBackupServerName" -?" command on the hyper-v server , i do get all the names of my CSV guests

help anyone ?

thanks in avance

Maoz.