NFS share unable to change ownership using root id gives error - Operation not permitted

Issue

• File created by "touch filename" and by doing "ls -l" no username and group name instead shows a numeric value of 10 digits. checked for this UID in /etc/passwd NO results found.

-rw-r--r--  1 4294967294 4294967294         0 Mar  4 15:06 testfile

• Also when customer tried to change ownership by using chown receives "operation not permitted" message.

[root@hostname]# chown root:root testfile
chown: changing ownership of `testfile': Operation not permitted