troubleshooting
Windows Defender Firewall Rules That Block SADP Discovery
How to allow local discovery safely on a staging laptop without turning off firewall domain-wide.
Corporate Windows images sometimes ship with strict private profile rules. SADP may need inbound allowances for its executable or associated multicast listeners. Prefer signing-specific rules over “disable firewall entirely.”
Temporary lab exception
For a non-domain staging laptop, you can relax rules while disconnected from the internet. Re-harden before reconnecting to guest Wi-Fi.
Logging
Enable firewall logging briefly to see which ports drop; attach that evidence if IT pushes back.
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