User Script is not executing

Hi All,

I have created flash backup user scripts for 12 servers. out of that 6 server's scripts are having issue. I unable to get any error msg .

I need your help.

Scripts are as follows. 

D:
cd Veritas\NetBackup\bin
bpbackup.exe -i -p xxx_D_W_M_STBY_xxxx_Flash -s D_xxxx -S xxx

Master server Solaris sparc and NBU 7.5.0.6

Media server windows 2008 and NBU 7.5.0.4

Kindly confirm any logs needed.

Thanks and regards,

Sagar