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All malfunction reports
ISSC malfunctions
Educational tools
Video tools
Known issues
Maintenance calendar
Malfunction reports
Malfunctions and scheduled maintenance of ICT systems.
Maintenance Calendar
13
Feb
14
Feb
Scheduled maintenance educational systems
16
Feb
17
Feb
Monthly maintenance of Windows workstations
16
Mar
17
Mar
Monthly maintenance of Windows workstations
20
Apr
21
Apr
Monthly maintenance of Windows workstations
18
May
19
May
Monthly maintenance of Windows workstations
15
Jun
16
Jun
Monthly maintenance of Windows workstations
27
Jun
28
Jun
Onderhoudsweekend ISSC: netwerkonderhoud 6-27-2026
20
Jul
21
Jul
Monthly maintenance of Windows workstations
17
Aug
18
Aug
Monthly maintenance of Windows workstations
14
Sep
15
Sep
Monthly maintenance of Windows workstations
19
Oct
20
Oct
Monthly maintenance of Windows workstations
16
Nov
17
Nov
Monthly maintenance of Windows workstations
14
Dec
15
Dec
Monthly maintenance of Windows workstations
Current malfunction reports
03 February 2026
SOLVED: Registration system malfunction
26 January 2026
RESOLVED: University website malfunction.
20 January 2026
RESOLVED: University website malfunction.
12 January 2026
SOLVED: Disruption video portal
18 December 2025
Changing your ULCN password is not possible.
16 December 2025
Disruption in Mediasite
21 October 2025
SOLVED: malfunction multiple services.
20 October 2025
SOLVED: Disruption in video conferencing software and video management platform due to AWS issues
16 October 2025
SOLVED: ALMA service currently unavailable
16 October 2025
SOLVED:Temporary disruption to HRM System
15 October 2025
SOLVED: disruption to HRM system
09 October 2025
RESOLVED: Restoration of login functionality on multiple services
18 September 2025
SOLVED: Employee website temporarily unavailable
17 September 2025
SOLVED: Issues with Google Search
01 August 2025
SOLVED: Malfunction Odido
30 June 2025
Solved: Malfunction pasword reset
25 June 2025
Solved: Network Disruption Odido
16 June 2025
Solved: Malfunction login
28 May 2025
SOLVED: Malfunction book lending system.
20 May 2025
Solved: Network malfuntion
01 April 2025
Disruption of various services
12 March 2025
SOLVED: issues Self service
07 March 2025
Solved: Login is not possible on several systems.
17 February 2025
Solved: Malfunction websites Leiden University Libraries
13 February 2025
Solved: Network failure
12 February 2025
Solved: Disruption network
16 January 2025
SOLVED: DDoS attack SURF
18 December 2024
Early Closure on December 24 & Opening Hours on January 2 & 3
10 December 2024
Solved: Malfunction MyStudyMap
02 December 2024
Resolved: University network failure
28 November 2024
Disruption of registration system
25 November 2024
Solved: Malfunction email service
12 November 2024
Solved: Malfunction scheduling system
31 October 2024
SOLVED: Wireless network
15 October 2024
Solved: Malfunction student system
11 October 2024
Solved: Malfunction telephoning
09 October 2024
Solved: Malfunction remote workspace
30 September 2024
SOLVED: Login multiple services not possible
04 September 2024
SOLVED: HR-info board
04 September 2024
SOLVED: Outage network
19 August 2024
Malfunction remote service.
12 August 2024
Solved: multiple isuues.
08 August 2024
SOLVED: Malfunction uSIs
19 July 2024
Solved: Malfunction remote workstation
01 July 2024
Solved: Remote workspace malfunction
06 June 2024
Solved: Disruption when logging in to multiple services.
24 May 2024
SOLVED log in issues ULCN
14 May 2024
SOLVED: Surfconext malfunction
23 February 2024
SOLVED: Network outage
14 February 2024
SOLVED: Netwerkstoring
29 January 2024
Solved: Helpdesk unavailable by phone.
17 January 2024
SOLVED: Partial disruption university systems
03 January 2024
Solved: Brief outage remote workspace
18 December 2023
SOLVED: Malfunction multiple systems
14 December 2023
Outage due to blue screen
14 December 2023
Solved: Videos from Mediasite were not functioning
27 October 2023
Brightspace/Turnitin error: You must supply an author user id when submitting as instructor.
13 September 2023
Solved: Website not accessible
08 September 2023
SOLVED: Staff website disruption.
22 August 2023
Solved: EduVPN malfunction
21 August 2023
SOLVED: Network services disruption
26 July 2023
Solved: Network malfunction
28 June 2023
Solved: Issues EduVPN
20 June 2023
Solved: Malfunction printing via Webprint.
06 June 2023
Solved: Malfunction LU card printers.
01 June 2023
SOLVED:Logging into your managed laptop outside the campus is not possible in some cases.
23 May 2023
SOLVED: Power outage Bio Science Park
02 May 2023
SOLVED: Malfunction Leiden University staff website
24 April 2023
Solved: Storing universitaire website.
11 April 2023
SOLVED: malfunction multiple services
04 April 2023
SOLVED: University website malfunction
27 March 2023
SOLVED: Malfunction Weblecture (Mediasite)
15 March 2023
Solved: University website malfunction
02 March 2023
PROBLEM: University website.
01 March 2023
SOLVED: Outage University website
28 February 2023
SOLVED: Outage University website
27 February 2023
SOLVED: Malfunction Serviceplein
20 February 2023
SOLVED: Disruption of multiple services
15 February 2023
SOLVED: multiple networks outage.
26 January 2023
SOLVED: Problem logging in via push message.
25 January 2023
SOLVED: Malfunction Microsoft 365
23 January 2023
SOLVED: Disruption Kaltura video services
09 January 2023
SOLVED: Disruption of the self-service system.
13 December 2022
SOLVED: Malfunction, registering students.
13 December 2022
SOLVED: Malfunction of several services
08 December 2022
MFA geactiveerd op verschillende systemen
30 November 2022
SOLVED: Disruption Usis
23 November 2022
SOLVED: Disrupting media playback
20 October 2022
SOLVED: Multi-Factor Authentication (MFA) reduced availability
17 October 2022
SOLVED: Disruption of university website
11 October 2022
SOLVED: Remote environment is not accessible
06 October 2022
Solved: Disruption several services
29 September 2022
SOLVED: Currently, you may experience problems logging into different services.
15 September 2022
Solved: Remote environment not accessible.
05 September 2022
Solved: Disruption of multiple services.
31 August 2022
SOLVED:Disruption of phone services
31 August 2022
SOLVED: Malfunction telephony
30 August 2022
SOLVED: Problems MFA
18 August 2022
SOLVED: Issues with multiple services
26 July 2022
Solved: Wifi Network malfunction
Phasing out Citrix [remote workstation]
Do you use remote workplace (Citrix)? This will change in the near future. Read here what this will mean for you.
Phishing or cyber attack?
Do you use a remote workstation (Citrix)? This will change soon. Read more about what this will mean for you.
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