AIX NFS Error - RPC: 1832-010 Authentication error fixing

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

[root-umserv1][/]> mount umserv2:/repos /mymnt
mount: 1831-008 giving up on:
umserv2:/repos
vmount: The file access permissions do not allow the specified action.
NFS fsinfo failed for server umserv2: error 7 (RPC: 1832-010 Authentication error)

To fix this issue check "nfs_use_reserved_ports" value , if its 0 set it to 1

[root-umserv1][/]> nfso -a | grep port
portcheck = 0
nfs_use_reserved_ports = 0

[root-umserv1][/]> nfso -po portcheck=1
Setting portcheck to 1
Setting portcheck to 1 in nextboot file

[root-umserv1][/]> 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-umserv1][/]> mount umserv2:/repos /mymnt
[root-umserv1][/]>