evfsadm start failed

[sbjeon]

root@rx28002:/]#evfsadm start
evfsadm: start error: invalid admin device "/dev/evfs/admin"

error to google by..

http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c02035208-1&lang=en-us&cc=us

current swlist..

Base-VXFS B.11.31 Base VxFS File System 4.1 Bundle for HP-UX
Base-VxFS-50 B.05.00.02 Veritas File System Bundle 5.0 for HP-UX
Base-VxFS-51 B.05.10.02 Veritas File System Bundle 5.1SP1 for HP-UX
Base-VxTools-50 B.05.00.02 VERITAS Infrastructure Bundle 5.0 for HP-UX
Base-VxTools-51 B.05.10.06 VERITAS Infrastructure Bundle 5.1SP1 for HP-UX
Base-VxVM-50 B.05.00.02 Base VERITAS Volume Manager Bundle 5.0 for HP-UX
Base-VxVM-51 B.05.10.06 Base VERITAS Volume Manager Bundle 5.1SP1 for HP-UX
BaseLVM B.11.31.1403 Logical Volume Manager

How can I run?