University of Toronto Student Web Services
Notice of scheduled downtime for maintenance of online systems: ACORN, ROSI, Degree Explorer, Financial Planning Calculator, My Res, Course Information System (CIS) and Varsity Blues Registration System (VBRS) will be unavailable on Saturday, June 24 from 6:00 AM to 8:00 AM.
ACORN

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ACORN News
Scheduled Downtime
Monday 3:00am - 6:00am

Occasionally, we may have to take services down outside of scheduled downtime hours for technical reasons.
Important Notes About ACORN & ROSI