DUO 2FA Self-Service User Portal Maintenance (Thu, 19 Mar 2026, 7:00 a.m. – 8:00 a.m.)

Users Affected	CUHK staff and students
Start Time	19 March 2026 (Thur) 7:00 a.m
End Time	19 March 2026 (Thur) 8:00 a.m
Cause	Server updates causing system reboot
Service Affected	DUO 2FA Self-Service User Portal (https://duo.itsc.cuhk.edu.hk) will be intermittently unavailable during the above period. When this happens, users will be unable to perform the following actions Manage mobile devices in your account Generate rescue code for emergency use Generate bypass code in case you encounter any problems with your mobile
Status	Scheduled

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