Adding address space to a virtual network using PowerShell

To add an address space to a virtual network, you need retrieve the virtual network first and store it in a variable by running the following cmdlet:

$VNet = Get-AzureRMVirtualNetwork -ResourceGroupName PacktPub -Name PSVNet

Then, you can add the address space by running the following cmdlet:

$VNet.AddressSpace.AddressPrefixes.Add("10.1.0.0/16")

Finally, you need to save the changes you have made by running the following cmdlet:

Set-AzureRmVirtualNetwork -VirtualNetwork $VNet