Solaris NFS Client Does Not Mount With Vers=4 on Windows 2012 NFS server

(Doc ID 1535564.1)

Last updated on MAY 09, 2018

Applies to:

Solaris SPARC Operating System - Version 10 10/08 U6 and later
Information in this document applies to any platform.

Symptoms

 NFS server Windows 2012 running version 4.1 and solaris 10 NFS client.

when i run

# mount -o vers=4 eport-nfs-01:/eport1 /a
nfs mount: Mar 4 11:46:55 eport01 nfs: WARNING: NFS server initial call to eport-nfs-01 failed: error 48
mount: /a: Operation not supported

I am able to mount the resource with version=3.

Cause

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