AIX NFS Error and Solution - RPC: 1832-010 Authentication error

[root-prodsrv1][/]> mount prodsrv2:/Softwares /wasinstall
mount: 1831-008 giving up on:
prodsrv2:/SwRep
vmount: The file access permissions do not allow the specified action.
NFS fsinfo failed for server prodsrv2: error 7 (RPC: 1832-010 Authentication error)


[root-prodsrv1][/]> nfso -a | grep port
portcheck = 0
nfs_use_reserved_ports = 0


[root-prodsrv1][/]> nfso -po portcheck=1
Setting portcheck to 1
Setting portcheck to 1 in nextboot file


[root-prodsrv1][/]> nfso -po nfs_use_reserved_ports=1
Setting nfs_use_reserved_ports to 1
Setting nfs_use_reserved_ports to 1 in nextboot file


[root-prodsrv1][/]> mount prodsrv2:/Software /wasinstall
[root-prodsrv1][/]>