PLEASE believe me when I tell you that NBU is CASE SENSITIVE.
kacst-dag001 != KACTST-DAG001
Are you running all connection test and ping commands on master as well as media server?
C:\Program Files\Veritas\NetBackup\bin\admincmd>bptestbpcd -client KACTST-DAG001
-debug -verbose
15:57:46.251 [12524.10016] <2> bptestbpcd: VERBOSE = 0
15:57:46.251 [12524.10016] <8> vnet_cached_getaddrinfo_and_update: [vnet_addrinf
o.c:1583] in failed file cache ERR=11001 NAME=KACTST-DAG001 SVC=NULL
15:57:46.251 [12524.10016] <8> vnet_cached_getaddrinfo: [vnet_addrinfo.c:1273] v
net_cached_getaddrinfo_and_update() failed 6 0x6
15:57:46.251 [12524.10016] <8> vnet_same_host_and_update: [vnet_addrinfo.c:2839]
vnet_cached_getaddrinfo() failed STAT=6 RV=11001 NAME2=KACTST-DAG001
15:57:46.251 [12524.10016] <8> vnet_cached_getaddrinfo_and_update: [vnet_addrinf
o.c:1530] in failed cache ERR=11001 NAME=KACTST-DAG001 SVC=NULL
15:57:46.251 [12524.10016] <8> vnet_cached_getaddrinfo: [vnet_addrinfo.c:1273] v
net_cached_getaddrinfo_and_update() failed 6 0x6
15:57:46.251 [12524.10016] <8> vnet_same_host_and_update: [vnet_addrinfo.c:2839]
vnet_cached_getaddrinfo() failed STAT=6 RV=11001 NAME2=KACTST-DAG001
15:57:46.266 [12524.10016] <8> vnet_cached_getaddrinfo_and_update: [vnet_addrinf
o.c:1530] in failed cache ERR=11001 NAME=KACTST-DAG001 SVC=NULL
15:57:46.266 [12524.10016] <8> vnet_cached_getaddrinfo: [vnet_addrinfo.c:1273] v
net_cached_getaddrinfo_and_update() failed 6 0x6
15:57:46.266 [12524.10016] <8> vnet_same_host_and_update: [vnet_addrinfo.c:2832]
vnet_cached_getaddrinfo() failed STAT=6 RV=11001 NAME1=KACTST-DAG001
15:57:46.266 [12524.10016] <8> vnet_cached_getaddrinfo_and_update: [vnet_addrinf
o.c:1530] in failed cache ERR=11001 NAME=KACTST-DAG001 SVC=NULL
15:57:46.266 [12524.10016] <8> vnet_cached_getaddrinfo: [vnet_addrinfo.c:1273] v
net_cached_getaddrinfo_and_update() failed 6 0x6
15:57:46.266 [12524.10016] <8> init_connect_recs: [vnet_connect.c:721] vnet_cach
ed_getaddrinfo() failed STAT=6 RV=11001 HOST=KACTST-DAG001
15:57:46.266 [12524.10016] <8> connect_to_service: [vnet_connect.c:545] init_con
nect_recs() failed 6 0x6
15:57:46.266 [12524.10016] <8> vnet_connect_to_bpcd: [vnet_connect.c:279] connec
t_to_service() failed 6 0x6
15:57:46.266 [12524.10016] <2> local_bpcr_connect: Can't connect to client KACTS
T-DAG001
15:57:46.266 [12524.10016] <2> ConnectToBPCD: bpcd_connect_and_verify(KACTST-DAG
001, KACTST-DAG001) failed: 48
<16>bptestbpcd main: Function ConnectToBPCD(KACTST-DAG001) failed: 48
15:57:46.266 [12524.10016] <16> bptestbpcd main: Function ConnectToBPCD(KACTST-D
AG001) failed: 48
<2>bptestbpcd: client hostname could not be found
15:57:46.266 [12524.10016] <2> bptestbpcd: client hostname could not be found
<2>bptestbpcd: EXIT status = 48
15:57:46.266 [12524.10016] <2> bptestbpcd: EXIT status = 48
client hostname could not be found
C:\Program Files\Veritas\NetBackup\bin\admincmd>
