Return network interface to DHCP via netsh not working

Question

I am creating a batch file for our laptops that sets a series of static ipaddresses onto the Ethernet interface for configuring machines with multiple networks.

I can easily set static ip addresses to the interface by the commands:

netsh interface ip set address Ethernet xxx.xxx.xxx.xxx 255.255.255.0 xxx.xxx.xxx.1 1

netsh interface ip add address Ethernet xxx.xxx.yyy.xxx

netsh interface ip add address Ethernet xxx.xxx.zzz.xxx

This works flawlessly.

However, i want an option to remove them all from the interface and reset the Ethernet interface to 'Obtain Network Settings Automatically' for both IPv4 and DNS.

I have individually tried variations of all the following:

netsh interface ip set address Ethernet dhcp

netsh interface ip set address Ethernet source=dhcp

netsh interface ipv4 set address Ethernet dhcp

netsh interface ipv4 set address Ethernet source=dhcp

netsh int ip set address Ethernet dhcp

netsh int ipv4 set address Ethernet source=dhcp

They all return DHCP is already enabled on this interface

And when I open the network adapter settings GUI in windows and configure the IPv4 settings, all the static ip addresses are still there and it hasn't reversed to autoconfigure.

I would prefer to not have to use the flush, renew etc commands as they all require the PC to be restarted.

What am I doing wrong?