error in bptestbpcd

Unable to communicate the client server from master server.

Nebackup : 7.6.0.1

OS : Linux

No port opening required as no firewall in between the server

output:

[root@]# ./bptestbpcd -client *.*.*.*  -verbose
<16>bptestbpcd main: Function ConnectToBPCD(*.*.*.*) failed: 46
<16>bptestbpcd main: Request from host msclin-mum-air-dr-mbkp (*.*.*.*) to host mcslin-mum-air-dr-preba1 (*.*.*.*) is not allowed access.
        Host msclin-mum-air-dr-mbkp (*.*.*.*) is not an authorized server for host localhost.localdomain.
server not allowed access