Netbackup can't delete expire images 1: (118) VxSS authorization failed

[Ahmed_ElSawy]

We have Netbackup 8 and Data domain 4500

every image cleanup job is failed with error : (118) VxSS authorization failed

Jun 2, 2019 7:13:24 AM - Info nbdelete (pid=6102) deleting expired images. Media Server: csbkpmd2 Media: @aaaaJ
Jun 2, 2019 7:13:24 AM - requesting resource @aaaaJ
Jun 2, 2019 7:13:25 AM - granted resource MediaID=@aaaaJ;DiskVolume=SV_DD4500_Boost;DiskPool=SV_DD4500_LAN_DiskPool;Path=SV_DD4500_Boost;StorageServer=DD4500.eg01.etisalat.net;MediaServer=svodsmbdb2-bkp
VxSS authorization failed (118)

[Mike_Gavrilov]

Do you use NBAC? And then check your media-server's  USE_VXSS value. It should be PROHIBITED if you don't use NBAC, and AUTOMATIC or REQUIRED if you do.