January 9, 2026, 2:30 p.m.:
Update: There are still isolated restrictions on availability.
We are working intensively to resolve the issue.
Core IT will be performing necessary maintenance on the ticketing system on Thursday, January 8, 2026, and Friday, January 9, 2026.
Affected services:
- HdM Trouble Ticket System
During the maintenance, the ticketing system (https://otrs.hdm-stuttgart.de/) will be unavailable and cannot be used.
Other services are not affected.
Please plan accordingly for this maintenance period.