While the University is closed for the holiday break, CNS will be upgrading the network components and the central administrative file storage resulting in the following disruptions to service: All SIS and Peoplesoft (HR, Finance, ADS) applications will be unavailable for the period of Sunday, December 28th at 5:00 pm until the evening of Sunday, January 4, 2004. Other planned service interruptions are: Wednesday, December 24th 8:30 to 5:00 PM Network upgrades will result in several brief Internet service interruptions. Sunday, December 28th 8:30 to 6:00 PM Wireless (Airyork) service upgrades. There will be intermittent brief outages to the Airyork service. Monday, December 29th 7:30 AM to Tuesday, December 30th 8:00 PM Core network upgrades and improvements to network routing will result in intermittent outages impactging all York network traffic and Internet access. In order to safeguard against system corruption, all email services, Phoenix, anonymous FTP and WebCT will be unavailable during this time. Email will queue during the outage and be delivered when the systems are back in operation. The York web will be in service but publishing and updates to the York website will be unavailable. Saturday, January 3rd 8:00 AM to 6:00 PM. The administrative filer cluster behind the firewall will be out of service for hardware upgrades. This outage will affect all applications that use this filer for data storage and Passport York authentication for applications such as Wireless, CEO, Yorknet, VPN, Classlist, etc. Status information will be posted on the CNS web site and on the CNS Help Desk phone line 416 736-5800. CNS Announce