@Xess Hello, how about trying anildash's suggestion that enable Access Authentication on the router, will it work? You can see that some users solved the Time Machine issue by that:...

@z3dulik It's good to know it recovers. Please monitor its performance and let me know if there is still an issue.

@ddlnegocios If that is the case, we recommend reaching out to the local tech support, so they can work with you in looking into the issue further or help with a newer firmware:...

@Criminence That would be an issue that we haven't been aware of. We recommend reaching out to the local tech support, so they can work with you in looking into the issue further or help with the...

@The.P Please check step 4 in this guide, you will know how to add the devices to the groups. The report needs to be active when there is at least a device in the group, then the router can monitor...

@berypapa Thank you for all the details. The tech team was made aware of your issue. They will likely reach out to you via email to continue troubleshooting your issue.