- 2025/09/02 - Scheduled maintenance, 2 September
- During the Tuesday, 2 September maintenance window, maintenance work affecting a number of services will occur, starting at 5:30 PM and being completed before midnight. The following work is planned:
Server software updates: software on the servers which provide the following services will be updated, resulting in outages of up to 15 minutes per server:
DNS
DHCP
NTP
RT
Web proxies
Registration system
Incoming e-mail
Outgoing e-mail
IMAP e-mail mailboxes
Mailing lists
SMS
Provisioning (web proxy autodiscovery)
Wi-Fi and VPN authentication
Network graphs
Network monitoring
Terminal Four content management system
RU Single Sign-On system
Main web server (www.ru.ac.za, etc)
University administration and meal booking systems
SEALS Library consortium services
Network printing services (iPrint/PaperCut)
File servers/home directories (gnu, serval, studentfiles)
PC login service for public labs
Archibus
While we try to publish a list of all service-affecting work here in advance, the list should not be considered exhaustive and other low impact work may also be undertaken during the maintenance window.
This maintenance work is being undertaken in the ITSC-approved scheduled maintenance window.
- 2025/08/19 - Scheduled maintenance, 19 August
- During the Tuesday, 19 August maintenance window, maintenance work will affect certain services, starting at 5:30 PM and being completed before midnight. The following work is planned:
Distribution routers: software will be updated on the routers serving all buildings in the areas listed below. All network services (including Wi-Fi and IP telephones) may be disrupted in those areas for up to 30 minutes.
Main campus: all buildings in the area within Prince Alfred St, Somerset St and Lucas Avenue, up to and including Biological Sciences Building, the Library and Psychology
Hill campus: all buildings which are south of Prince Alfred St and west of New House (inclusive).
Access switches in lecture venues: software will be updated on the network switches in the lecture venues listed below. AV functions in those venues may be disrupted for up to ten minutes.
GLT
Eden Grove Blue
Chemistry Major and Minor
Access switches: software will be updated on the network switches in the buildings listed below. All network services (including Wi-Fi and IP telephones) will be disrupted in those buildings for up to 30 minutes.
70 African St
This work is being conducted during a minor maintenance period. Should there be a compelling reason why this work should not go ahead as planned, please contact support@ru.ac.za before 3:00 PM on Tuesday.
- 2025/08/12 - Scheduled maintenance, 12 August
- During the Tuesday, 12 August maintenance window, maintenance work will affect certain services, starting at 5:30 PM and being completed before midnight. The following work is planned:
Access switches: software will be updated on the network switches in the buildings listed below. All network services (including Wi-Fi and IP telephones) will be disrupted in those buildings for around 30 minutes.
26a, 70, 73 and 74 African St
29 and 33 South St
3, 5 and 6 Gilbert St
Adamson Annexe
Allan Webb dining hall
Building Maintenance headquarters
Catering and Housekeeping headquarters
Chessington flats
College House
Day Kaif
Drostdy Barracks
King Field club house
Facilities and Infrastructure offices
Founders dining hall
Grounds and Gardens headquarters
The Hangar
Health Care Centre
Health Suite
Law Clinic
Maintenance Stores
New House annexes
Politics
PSAM
Psychology Clinic
The Retreat
Salisbury House
Stables
Starling House
Swimming pool office
Distribution routers: software will be updated on the routers serving the university data centres. All services hosted in data centres will be affected, possibly for as long as an hour.
Core router software update: the software on one of the two core routers will be updated. No noticeable outage is expected as all network traffic should be handled by the other core router.
Internet edge routers: the software on one of the two edge routers will be updated. No noticeable outage is expected as all network traffic should be handled by the other edge router.
This work is being conducted during a minor maintenance period. Should there be a compelling reason why this work should not go ahead as planned, please contact support@ru.ac.za before 3:00 PM on Tuesday.
- 2025/08/05 - Scheduled maintenance, 5 August
- During the Tuesday, 5 August maintenance window, maintenance work affecting a number of services will occur, starting at 5:30 PM and being completed before midnight. The following work is planned:
Server software updates: software on the servers which provide the following services will be updated, resulting in outages of up to 15 minutes per server. Services affecting Wi-Fi authentication will be updated starting from 9 PM.
DNS
DHCP
NTP
RT
Web proxies
Registration system
Incoming e-mail
Outgoing e-mail
IMAP e-mail mailboxes
Mailing lists
SMS
Provisioning (web proxy autodiscovery)
Wi-Fi and VPN authentication
Network graphs
Network monitoring
Terminal Four content management system
RU Single Sign-On system
Main web server (www.ru.ac.za, etc)
University administration and meal booking systems
SEALS Library consortium services
Network printing services (iPrint/PaperCut)
File servers/home directories (gnu, serval, studentfiles)
PC login service for public labs
Archibus
Access switches: software will be updated on the network switches in the buildings listed below. All network services (including Wi-Fi and IP telephones) will be disrupted in those buildings. For smaller buildings, the work might be completed in 30 minutes, while larger buildings may take up to 90 minutes.
GLT Building
Literary Studies in English Building
Institute for Nanotechnology Innovation
Furniture and Equipment Stores
Distribution routers: software will be updated on the routers serving all buildings in the areas listed below. All network services (including Wi-Fi and IP telephones) may be disrupted in those areas for up to 30 minutes.
North campus: all buildings north of Prince Alfred St, from Somerset St to South St
Core router software update: the software on one of the two core routers will be updated. No noticeable outage is expected as all network traffic should be handled by the other core router.
Internet edge routers: the software on one of the two edge routers will be updated. No noticeable outage is expected as all network traffic should be handled by the other edge router.
While we try to publish a list of all service-affecting work here in advance, the list should not be considered exhaustive and other low impact work may also be undertaken during the maintenance window.
This maintenance work is being undertaken in the ITSC-approved scheduled maintenance window.
- 2025/07/29 - Scheduled maintenance, 29 July
- During the Tuesday, 29 July maintenance window, maintenance work will affect certain services, starting at 5:30 PM and being completed before midnight. The following work is planned:
Wi-Fi security certificate renewal: the certificate used to secure connections to the RUoffcampus service will be updated.
Users of Apple iPhones or iPads will be prompted to accept the new certificate when next they connect to an RUoffcampus Wi-Fi network after that time. The new certificate has the fingerprints below. Provided the certificate fingerprint matches, please tap Accept Certificate.
Users' devices may prompt you to accept the new certificate when next they connect to an RUoffcampus Wi-Fi network after that time. The new certificate has the fingerprints below. Provided the certificate fingerprint matches, please accept the new certificate.
SHA256 fingerprint, used by iPhone/iPad: 23 df 3c 50 85 0b e1 3c fe 27 2b db 4d 40 d2 14 ca cc e1 ce 77 5c da 73 7e 3c 83 90 5f af 19 d6
SHA1 fingerprint, used by Windows 10/11: BA 63 3E E5 88 2A 3D 15 B9 B2 AA 3A F9 21 80 A2 09 38 95 CE
If your devices are no longer able to connect after Wednesday morning, please reconfigure them according to the instructions.
Wireless links: software on point-to-point wireless link devices will be updated. This will cause internet outages of up to 20 minutes in the following buildings:
Mandalay-off-High
One on Luke, Three on Luke
This work is being conducted during a minor maintenance period. Should there be a compelling reason why this work should not go ahead as planned, please contact support@ru.ac.za before 3:00 PM on Tuesday.