The below command may fail with an "Operation not supported" message when trying to create ACLs as this is not a supported feature. This may also return an error on other protocols described below.
setfacl -m g:<group-name>:rx </nfs-share-name>
VMware vSAN (All Versions)
vSAN File Services is enabled
Supported Protocols:
Unsupported Protocols:
Unsupported Features:
NFS mounts using UDP as a transport protocol is not supported.