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The root cause is that Windows 7 doesn't have Get-NetIPAddress ( see: https://stackoverflow.com/questions/19529442/gather-ip-address-information ) but the change was to try and solve the bug that the VPN IP addresses aren't visible detailed here: https://support.microsoft.com/en-us/kb/2549091 Resolved using the 2nd solution from http://serverfault.com/questions/145259/powershell-win32-networkadapterconfiguration-not-seeing-ppp-adapter