RWTHonline

At the moment, initial registration in RWTHonline is unfortunately not possible using @hotmail.com or @outlook.com email addresses, because emails cannot be sent to those domains.
Please use an alternative email address for registration until further notice.

Our specialist department has been informed and is already working on resolving the issue.

We apologize for the inconvenience and appreciate your understanding.

So wie es sich aktuell darstellt hat Microsoft die Mailpolicy bei Outlook.com ohne Ankündigung verschärft. Wir arbeiten aktuell an einer Lösung.

During the specified maintenance window, the IT Center will perform maintenance on the MySQL databases used by the Multi-Factor Authentication (MFA) service. As part of the maintenance, the databases will be unavailable for a total of approximately 15 minutes.

During this time, new logins to services using RWTH Single Sign-On will not be possible. Existing sessions will remain active and will not be affected by the maintenance.

Deployment of Release 242 Servicepack 01 and further work on the RWTHonline system. The system will be unavailable during the specified time.

Following the widespread disruptions on June 22, 2026, the central data center Core L2 switch must be updated. The update is scheduled to take place during this period with very brief interruptions (<10 seconds).