WiFi "MAC Filtering" Blocking New Device

4.5

You have the correct password, but the device says "Access Denied" or "Failed to Connect".

Symptoms
  • Access denied
  • Correct password fails
  • Connection refused
Possible Causes
  • MAC Filtering enabled on router
  • Private MAC address on phone

Step-by-Step Fix

1

Disable "Private WiFi Address"

On iPhone/Android, turn off "Private MAC" for this specific network.

2

Add Device to Allowlist

Find the device's MAC address in settings and add it to the router's filter list.

3

Disable MAC Filtering

It provides very little security and causes many connection issues.

When to See a Technician

Modern phones change their "ID" (MAC address) for privacy, which breaks old-school MAC filtering.

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