Exchange2010 restore

Master Server + Media Server :

rehat5.5_64bit

Exchange2010(not DAG):

Windows2008_R2

NetBackup 7.5

using GRT restore with status 5 and status2810

unable to create object for restore ....information store...... ria 6

using nbfsd -d -v 5 -j <job_id> -B <backup_id> is ok

please give me some advices  Thanks