Telnet is the command which we can easily use to check the service status of the remote system.
Ex if we can telnet to vCenter server from our desktop using port 443, we can say that web services of the vCenter is up
But when we use vCenter shell or ESXi shell, we cannot use telnet command.
As an alternative option, we can use curl command. Please refer the below screen capture
curl -v telent://vcsa-01a:443
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
Step by step guide for hyper-v differenccing disk you can download from here hyper-v differenccingdisk.