SQL Backup running too long and failing with error 2

Hello All,

We have Master Server on Windows 8 R2 Version (7.5.0.7)

and client is on Windows 8 Version (7.5.0.7)

here We are facing 2 issues. 

1. As I click on Netbackup Ms SQL Client it takes 15-20 minets to reflect.

2. As I configure Backup and fire from Jawa console the Job keeps running for 30 min approx and then fails with error 2

can any one suggest Whats Wrong here..?

what Details I need to share from my end..?