Not able to add storage server -ddboost over fC

Geeks !

I am unable to add storage server to the media server.

Master

NBU -7.5.0.6 

Solaris 10

Media 

7.0.1

Solaris 10.

Error

Data Domain

Data Domain OS 5.4.1.1-411752

DDBOOSt

Plugin Info:
        Plugin Name: libstspiDataDomainMT.so
        Prefix: DataDomain:
        Label: Data Domain Plugin
        Build Version: 11
        Build Version Minor: 1
        Operating Version: 11
        Vendor Version: 2.6.2.0-410681

bash-3.2# ./nbdevconfig -creatests -storage_server DFC-DDTCSCHS01 -stype DataDomain -media_server STCSCHSBKP040-BKP
RDSM has encountered an issue with STS where the server was not found: getStorageServerInfo
Failed to create storage server DFC-DDTCSCHS01, invalid command parameter

nfs permissions has been set on data domain.

Host file entries are fine but still getting this error.

Media server can see all 4 FC ports of data Domain

c7::5002188136600420           processor    connected    configured   unknown
c7::5002188236600420           processor    connected    configured   unknown
c11::5002188136610420          processor    connected    configured   unknown
c11::5002188236610420          processor    connected    configured   unknown

Please advise ,what i am missing.

Pb