RRZ

Due to the activation of the sprinkler system in a seminar room, significant amounts of water have entered two IT distribution rooms. To address the damage, the network components in these rooms had to be shut down.

This affects all...

Due to a security alert, the Indico conference management tool will undergo maintenance today, March 25, 2026, from 4:00 p.m. to approximately 4:30 p.m., and will therefore be temporarily unavailable.

Update from March 24, 2026 – 5:55 p.m.:

Maintenance work has been completed.

The test scheduled for today until 12:00 p.m. at the Black Building (NEA and performance load test) was not completed by 12:00 p.m. as announced.

The RRZ cannot...

On March 18, 2026, from 11:30 a.m. to approximately 12:00 p.m., CommSy/Agora will be unavailable or available only with limitations due to emergency maintenance. We will do our best to keep the actual downtime during this period as short as...

Due to a database upgrade, applications that use the RRZ’s PostgreSQL server—such as Indico—will be temporarily unavailable on Saturday, March 14, 2026, from 9:50 a.m. to approximately 10:30 a.m. We will do our best to keep the actual...

Update 8:10 a.m.:

The problem has been fixed. The central image database is available again.

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The central image database is currently experiencing problems https://www.bilddatenbank.uni-hamburg.de

We are working to resolve the issue.

Today (18 February 2026), there was a technical malfunction between approximately 11:20 and 12:45 when accessing the UHH websites.

The malfunction has been fixed, and we apologise for any inconvenience caused.

Due to updates, OpenOLAT will be unavailable on Thursday, March 19, 2026, during the regular maintenance period from 8:00 a.m. to approximately 10:30 a.m. We will try to keep the actual downtime during this period as short as possible.