Surface Pro 3: Wireless Display Adapter/Miracast

If you are having trouble connecting your Surface Pro 3 to the Microsoft Wireless Display Adapter AND you have antivirus/firewall software running, try temporarily disabling the firewall. If that allows you to connect, then turn on the firewall again and set a rule/exception to your firewall settings.

Allow:
C:\Windows\System32\WUDFHost.exe
Allow In/Out connections for TCP and UDP, Ports: All.

Here’s how it looks in ESET Endpoint Security

SETUP > Advanced Setup

Personal Firewall > Rules

Add

General   Miracast   Direction:Both, Action:Allow, Protocol: TCP & UDP

Local

C:\Windows\System32\WUDFHost.exe

And that should allow you to connect to your Microsoft Wireless Display Adapter through your firewall.

See also:

• How do I setup my Microsoft Wireless Display Adapter?
• Trouble Shooting Miracast – Microsoft Community Wiki Article

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