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Network application traffic is blocked by firewall when Application Guard is enabled


Article ID: 171654


Updated On:


Endpoint Protection


With Windows Defender Application Guard Enabled and Symantec Endpoint Protection (SEP) firewall installed, traffic from network applications (such as the Edge web browser) is blocked.


With Application Guard enabled, network traffic from protected applications is modified in complex ways that the current version of the SEP Firewall does not account for.


Windows 10 Enterprise (Build 1709 or higher)

Windows 10 Professional (Build 1803 or higher)


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