This error can occur due to multiple reasons including not connecting the right cable in the ONT port as well as the user account not being properly provisioned for the new gateway. If you are also troubled by this error, here are a couple of troubleshooting tips to help you resolve Gateway authentication failure, please contact your service provider error.
How do I fix Gateway authentication failure U-verse AT&T error?
1. Check the cable and ONT port
2. Perform a power cycle
3. Reset the modem
4. Check for an outage
If the issue persists, try contacting the service provider. The tech support can help you resolve the issue or offer you a replacement gateway if the issue cannot be resolved. The Gateway authentication failure. please contact your service provider error can be usually resolved by resetting the modem. However, if the issue persists after trying all the troubleshooting tips, contacting the service provider is recommended.
Name *
Email *
Commenting as . Not you?
Save information for future comments
Comment
Δ
