Oct 28, 2026

Thank you for using SOS (SATO Online Services). We would like to inform you that the "SOS Connection Port Diagnostic Service" provided through the SOS Portal Site will be temporarily suspended due to the implementation of a security update. We sincerely apologize for any inconvenience this may cause and kindly ask for your understanding as we work to enhance the security of the service.

【Service Suspension Start Date and Time】
October 23, 2026 (Fri) 3:00 PM (JST) –
* We will notify you as soon as a date and time for service resumption has been determined.

【Maintenance Details】
・Security update implementation

【Impact】
During the maintenance period, the "SOS Portal Site > SOS Connection Port Diagnostic Service" will be unavailable.
All other pages and functions of the SOS Portal Site will remain available and operate as usual.

Thank you for your cooperation.

Kind regards,
SATO Online Services Development Team