You are unable to change your primary domain name because you have provisioned Google Meet hardware devices or, want to move a Google Meet Hardware device to a new domain.
- Google Meet hardware
- Admin console setting
- In your Google Workspace Admin console, navigate to Devices > Google Meet hardware > Devices.
- Select the device you need by clicking on the check box next to its name.
- At the top right, click at the three dots menu and then click on Deprovision.
- You will be prompted to deprovision the device.
- Click on Deprovision.