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Additional impact:ÌýWi-Fi and wired network access controlÌý

• Authentication servers will be migrated and will be unavailable for a short time between 9:00 a.m. and 12:00 p.m. (noon). Clients will not be able to log in to Wi-Fi or use wired 802.1x authentication during the outage. Connected users will continue to work until they roam to a new access point, or the re-authentication timer expires.Ìý

What is happening?ÌýResources that currently reside on an aging load balancer will be migrated to new equipment.

When is this happening?ÌýSunday, March 3, between 9:00 a.m. and 4:00 p.m. It is not expected that the entire maintenance window will be used, but there will be several service outages throughout this time.Ìý

Services that will be impacted:ÌýKnown service outages are listed below, though there is the possibility of other, unexpected impacts.

• Campus Directory
• Email:Ìý
  • Applications or servers sending email messages toÌýsmtp.uwaterloo.caÌýorÌýconnect.uwaterloo.caÌýmay bounce or sit in a queue until the servers are available again.
  • Messages being sent to @lists.uwaterloo.caÌýwill either bounce, or queue until servers are available again.
• GrouperÌý(unavailable until Monday, March 4)
• Shibboleth
• Skype for Business
• WatIAMÌý(unavailable until Monday, March 4)
• All WCMS 2 sites and other web services, including:
  • Scholar
  • URL shortener tool
  • Site redirects
  • Campus MapÌý
  • Campus Search
• WCMS 3 sites that use/include:
  • À¶Ý®ÊÓƵ News Block (temporarily remove block to avoid impact)
  • Site footers with logos (temporarily remove logo to avoid impact)

Questions or concerns?ÌýPleaseÌý.Ìý