Universiteit Leiden

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Student website Astronomy (BSc)

ICT

uSis will be unavailable due to scheduled maintenance 21-24 November

30 October 2025

Due to maintenance uSis will be unavailable from Friday 21 November 17:00 till Monday 24 November 07:00.
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:

Brightspace

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. 

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