System status and alerts
Information about system status and alerts with regard to our digital services.
System status
Systems are up and running.
Maintenance
19 June: Maintenance JapanKnowledge
Due to maintenance, the JapanKnowledge database will be unavailable on Wednesday 19 June from 8pm till 11pm.
Scheduled maintenance
All systems are available 7 days a week, 24 hours a day. The systems are actively monitored by our staff between 08:30 and 17:00 hrs. Scheduled maintenance is planned at the following times:
- Daily between 02:00 hrs and 07:00 hrs for backup and control.
- Weekly on Saturday, starting at 21:00 hrs until 22:00 hrs there may be disruption of SFX services.
- Weekly on Monday, starting at 17:00 hrs until 08:00 hrs on Tuesday.
Major maintenance activities are usually planned during weekends or holidays and will be announced on this page.
Which systems are affected?
- Catalogue (Old Catalogue)
- Leiden Repository
- Digital Special Collections
- SFX (linking service to full text articles)
- A range of cd-rom/dvd-rom files, available through our network.