Availability between the years
Changed service hours during the Christmas holidays
2023/12/20
The HRZ is only available to a limited extent during the Christmas period and at the turn of the year. As a result, all enquiries to the HRZ are likely to be processed with delays.

If you would like to use an HRZ service in the period from 27 December to 29 December 2023, please note the possible restrictions on service hours below.
HRZ technical systems will continue to operate as usual.
Unless otherwise listed, our support teams will be available again as normal from Tuesday, 2 January 2024.
The following service times apply from 27 December to 29 December 2023:
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
HRZ Service – Helpdesk
Service centre city centre, photo station
closed
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Service centre Lichtwiese
closed
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
HRZ-Hotline
limited 9 am to 2 pm
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Central telephone enquiry service
closed
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Workplace support hotline
limited 8 am to 2 pm,
Reachable by phone on working days or by e-mail at service@hrz.tu-….
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Workplace support ticket processing (e-mail support)
limited 8 am to 2 pm
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
User Support
closed
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
HRZ Reception – Karl Plagge-Haus
The reception will remain open from 27 December to 29 December 2023.
- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
We wish you a happy and relaxing Christmas season and a good and healthy start into the new year!
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