You can configure Virtual Machine Manager with the default paths for new VMs on each host the VMM manages.
To do this, first created a folder on each host that will store the VM files.
Next open System Center Virtual Machine Manager
If not already visible, go to the Host screen by clicking Go \ Hosts on the menu bar.
Right click the host that you want to configure the default path on and select Properties.
Click the Placement tab.
Browse to the folder you created and click OK.
Click OK again.