We are currently experiencing a technical issue with the HRM system, which is temporarily unavailable. We are working hard to resolve this issue and will come with a fix as soon as possible.

We are currently experiencing technical issues causing one of our servers or services to be unavailable or not functioning correctly. As a result, you may experience difficulties accessing files or performing certain tasks. Our IT specialists are investigating the cause and are working to resolve the issue. This page will be updated as soon as more information becomes available.

Due to a technical fault, the Leiden University staff website is currently unavailable.

The USIS website is currently unavailable. We are working on a solution and doing our best to restore the service as quickly as possible.

We are currently experiencing a problem with the ALMA service. As a result, the service is temporarily unavailable to users within the University.

We are currently experiencing a network disruption with Odido, which is affecting our mobile phone accessibility. As a result, you may not be able to reach us via the mobile network. Good to know: Calling over WiFi appears to be working. If possible, we recommend using WiFi calling to get in touch with us. We understand this is inconvenient and are working with Odido to resolve the issue as quickly as possible. This page will be updated as soon as we have more information or the issue is resolved.

We are currently experiencing an outage in Odido’s network, which is causing limited mobile service. For more information, please visit Odido’s website: Is there an outage affecting Odido’s mobile services? | https://community.odido.nl/netwerk-en-verbinding-559/is-er-een-storing-met-de-mobiele-diensten-van-odido-383670

On Monday, 12 January 2026, there was a disruption in the operation of the video portal. The video portal is displaying an error message and is unavailable. We are currently investigating the cause and working to find a solution. We are in close contact with the supplier and will post updates as soon as more information becomes available.

Leiden University is currently experiencing network problems due to ongoing attacks on the SURF network used by Leiden University. As a result, certain systems may be poorly accessible or unavailable. The ISSC is working hard to resolve the issues as soon as possible however, in doing so, the ISSC is dependent on the actions of SURF. The ISSC is vigilant and we monitor our environment. Surf will provide updates on a regular basis. The next update is expected around noon.

Malfunctions and scheduled maintenance of ICT systems.