Northwestern University incident
Northwestern Authentication Service Interruption
Ongoing since 06:56 PM UTC, affecting Web Single Sign-On (Authentication and Authorization Services).
Impact is limited to the Office of the Registrar website services. For services normally reached through the Faculty and Staff tab on the Office of the Registrar website, users can use these direct links until the issue is resolved: For CAESAR: https://caesar.ent.northwestern.edu/ For CLSS: https://classplanning.northwestern.edu/wen/ For CAT: https://nextcatalogs.northwestern.edu/ For 25Live: https://25live.collegenet.com/pro/northwestern#!/home/dash For ConnectNU: https://connectnu.northwestern.edu/ For Registrar: https://www.registrar.northwestern.edu/ The next update will be provided by 16:00 CST
Affected components
Update timeline
- investigating Nov 09, 2026, 06:56 PM UTC
Northwestern Information Technology is investigating an issue impacting access to a number of central and departmental services. Multiple resources linked through the Registrar website are currently inaccessible through those web pages. Direct links to these services appear to be unaffected. The next update will be provided by 04:00 CDT.
- identified Nov 09, 2026, 07:46 PM UTC
Impact is limited to the Office of the Registrar website services. For services normally reached through the Faculty and Staff tab on the Office of the Registrar website, users can use these direct links until the issue is resolved: For CAESAR: https://caesar.ent.northwestern.edu/ For CLSS: https://classplanning.northwestern.edu/wen/ For CAT: https://nextcatalogs.northwestern.edu/ For 25Live: https://25live.collegenet.com/pro/northwestern#!/home/dash For ConnectNU: https://connectnu.northwestern.edu/ For Registrar: https://www.registrar.northwestern.edu/ The next update will be provided by 16:00 CST
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