NFS mount issues UID/GID

We have created an NFS server on Windows and trying to create the "client" mount on Linux.

Everything looks good until I actually do the "mount -a". The UID:GID changes to 4294967294:4294967294.

[root@xxxxxxxxx pshr]# ll

total 4

drwx------. 2 psadm psft 4096 Apr 20 08:31 app1

[root@xxxxxxxxx pshr]# mount -a

[root@xxxxxxxxx pshr]# ll

total 1

drwx------. 2 4294967294 4294967294 64 May 7 12:12 app1