Attempting to mount an NFS share fails with the error: The server does not support NFS v3 over TCP

Products

• VMware vSphere ESXi

Issue/Introduction

• Cannot mount the NFS datastore from a NAS device on an ESX/ESXi host
• Mounting the NFS datastore fails
• In the vSphere Client, you see the error:
  
  The server does not support NFS v3 over TCP.

Environment

VMware ESX 6.x
VMware ESX 7.x
VMware ESX 8.x

Cause

This issue occurs if:

• The NFS service is not running on the NFS server
• Protocol NFS3 is not enabled and there is no support for NFS2 or NFS4
• TCP support is not enabled and there is no support for UDP

Resolution

To resolve this issue, on the NFS filer, ensure that the NFS service is running and protocol NFS3 over TCP is enabled.

 

For more information, see Troubleshooting NFS datastore connectivity issues

Additional Information