for install windows 2008r2 media services we have to manually download and install the windows 2008r2 media services.Using below link you can download the required files.
Using this PowerShell script you can the below mentioned script for create multiple vms from PowerShell module which is coming with hyper-v.I have just create this script for learning purpose and at the movement its not checking current hardware availability of the server/you may can develop this script.(Add the hardware profile,change the path,check the system resource availability).Before running this script you have to set the execution policy(set-executionpolicy )
$no=Read-Host “How many no of vms you want?”
$vmname=Read-Host “Enter the name for one vm,it will continu like thi (vm1,vm2)”
for($i=1;$i -le $no;$i++)
$vmnamefull=$vmname+$i -as [string]
new-vm -Name $vmnamefull