- On the Hyper-V server, open the Windows
Firewall Allowed Programs screen.
On Windows 2008 R2 systems, go to Control Panel > System and Security > Windows Firewall > Allow a program or feature through Windows Firewall.
- Select Windows Management Instrumentation (WMI).
- Click Save.
- Test the Hyper-V connection again.
Parent topic: Troubleshooting Microsoft Hyper-V Connections