2019/09/03 - Scheduled maintenance, 3 September

During the Tuesday, September 3rd 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 30 minutes per server. 
    • DNS
    • DHCP
    • NTP
    • RT
    • Web proxies
    • Registration system
    • Incoming e-mail
    • Outgoing e-mail
    • IMAP e-mail mailboxes
    • Webmail
    • Mailing lists
    • SMS
    • Provisioning (web proxy autodiscovery)
    • Wi-Fi and VPN authentication
    • CHERTL Evaluation Assistant
    • Network graphs
    • Network monitoring
    • Terminal Four content management system
    • RU Single Sign-On system
    • Main web server (, etc)
    • University administration and meal booking systems
    • SEALS Library consortium services
    • Network printing services (iPrint/PaperCut)
    • File servers/home directories (gnu, serval)
  • 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.  This work will not begin before 8 PM.
  • Printing services: software that handles accounting of print jobs will be updated.  It will not be possible to print to any iPrint queues which use print job accounting/charging during the upgrade, which is expected to take until midnight.
  • Sage 300 People: Sage 300 People will be unavailable for the whole evening.  It will not be possible to submit/approve leave requests during that time.

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.


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