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31 January – 1 February: Science buildings closed due to network maintenance

20 January 2026

From Saturday morning 31 January at 06.00 until Sunday 1 February at 23.59, the buildings on our campus will be closed due to scheduled maintenance to the university network. This concerns the Gorlaeus Building, Huygens, Oort and Sylvius. For Snellius and Van Steenis, please contact the building manager.

What does this mean?

  • The buildings will not be accessible during this weekend; access rights will be temporarily blocked. 
  • Exceptions may be made for staff who genuinely need to be on site (e.g. for animal care). 
  • Permission for this can be requested by email via the operational director or the head of your department, up to Wednesday 28 January at 12.00 hr.

Questions?

If you have questions about the network maintenance, please contact the ISSC helpdesk on +31 71 527 8888 or via the helpdeskportal . For other questions, you can contact the service desk.

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