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AVD VMs Unavailable When Traffic Passes Through Palo Alto Firewall

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AVD VMs Unavailable When Traffic Passes Through Palo Alto Firewall

A.Upadhyay134967
L0 Member

‎05-07-2025 07:26 AM

Hi All,

We’re facing an issue where AVD VMs show as unavailable when routed through the Palo Alto firewall. Required URLs and services are already whitelisted as per Microsoft documentation. Even with an ANY-ANY rule and no security profiles, the issue persists.

Microsoft’s AVD and networking teams suspect the firewall, as things work fine when bypassing it.

Has anyone faced this before or have suggestions?

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