Universiteit Leiden

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Scheduled maintenance educational systems from May 12th until May 13th, 2023

28 April 2023

uSis will be unavailable due to scheduled maintenance

Start: Friday 12 May 17:00
End: Saturday 13 May 15:00

During this maintenance window all users will not be able to access uSis. Please take this into account regarding planned activities in the following educational systems:


Automatic (un)enrollments, course creations and updates from uSis will not be processed during this maintenace window. 
Students: enroll in time in uSis to access the course in Brightspace. 

My Timetable

All users will not be able to access their timetables during this maintenance window. 

Student App

The following tiles within the app will not be updated during this maintenance window: Timetable, Grades, Progress, Student Card and Class Enrollment.

Student Portal

During this maintenance window, all students do not have access to the Student Portal. 
Students: Please be on time and confirm your participation in an exam before the start of maintenance. See here for more information.

Apologies for the inconvenience and thank you for your understanding.

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