2025/09/16 - Scheduled maintenance, 16 September

During the Tuesday, 16 September maintenance window, maintenance work will affect certain services, starting at 5:30 PM and being completed before midnight. The following work is planned: Server hardware updates: the servers which provide the following services will be migrated to new hardware.  Disruption should be minimal as multiple servers provide each service. DNS DHCP NTP Access switches: the network switches in the buildings listed below will be replaced. All network services (including Wi-Fi and IP telephones) will be disrupted in those buildings for up to 90 minutes. Barratt Lecture Complex Chemical and Pharmaceutical Sciences (north side) Institute for Nanotechnology Innovation Core router: one of the two core routers in the campus network will be replaced with newer hardware. No noticeable outage is expected as all network traffic should be handled by the other core 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.

2025/09/09 - Scheduled maintenance, 9 September

During the Tuesday, 9 September maintenance window, maintenance work will affect certain services, starting at 5:30 PM and being completed before midnight. The following work is planned: Core router: one of the two core routers in the campus network will be replaced with newer hardware. No noticeable outage is expected as all network traffic should be handled by the other core router. JMS web sites: software maintenance on the server which hosts a number of JMS web sites should not result in any noticeable outage. In the event of unforeseen complications, though, some sites could stop working. 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.

2025/09/02 - 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.