If the XG Firewall is registered and central services are accepted by the Central Admin and somehow the firewall lost its Central registration information due to a factory-reset or firmware downgrade.
On re-registration and enabling Central Management, the XG Firewall is already known to Central and therefore the Central Management API considers this as a "Bad Request" since Central Services has already been approved.
Applies to the following Sophos products and versions Sophos Firewall
Sign up to the Sophos Support SMS Notification Service to get the latest product release information and critical issues.
Every comment submitted here is read (by a human) but we do not reply to specific technical questions. For technical support post a question to the community. Or click here for new feature/product improvements. Alternatively for paid/licensed products open a support ticket.