HOTSPOT
Your network contains an Active Directory domain named contoso.com.
You install the IP Address Management (IPAM) Server feature on a server named Server1 and select Manual
as the provisioning method.
The IPAM database is located on a server named SQL1.
You need to configure IPAM to use Group Policy Based provisioning.
What command should you run first?
To answer, select the appropriate options in the answer area.
Hot Area:
Answer: 
Set-IpamConfiguration -ProvisioningMethod Automatic
In the first release of Windows Server 2012, you couldn’t change the provisioning method after you completed the Provision IPAM Wizard. If you needed to change the provisioning method, your only option was to uninstall and reinstall IPAM.
In Windows Server 2012 R2, the situation has improved. You can use the following Windows PowerShell command after completing the Provision IPAM Wizard to change the provisioning method in one direction only—from manual to GPO-based (automatic).
Set-IpamConfiguration -ProvisioningMethod Automatic
Even in Windows Server 2012 R2, however, you can’t switch from GPO-based (automatic) to manual after you run the Provision IPAM Wizard. If you do need to change the provisioning method from GPO-based to manual, you still have to uninstall IPAM, reinstall IPAM, and finally run the Provision IPAM Wizard again with the proper selection.
Remember these points along with the complete Windows PowerShell command shown above.
Correct treed. now we can change from manual to GPO but no from gpo to manual.