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OIT Services to be Interrupted on July 19


Scheduled Network Maintenance

The Office of Innovative Technologies will be performing network maintenance on Sunday, July 19, between 8:00 am and 10:00 AM ET. During this time, most core IT services will be interrupted.

What Is Affected

  • Campus Network: Internet, wired, and wireless access on campus, including university housing, will be unavailable.
  • Core Applications: Specific applications that will be affected include, but are not limited to:  online registration, advising and financial services through MyUTK, Software Distribution, T-Storage, OIT Linux systems, Apps@UT, VolPrint, the OIT Computer Labs, and network registration.
  • Additional Services: Backup services for hosted servers, Volcard deposits, Parking Services, and several other OIT applications will also be unavailable. Voice over IP services will be intermittently unavailable.
  • Websites: Sites hosted by OIT (including the online directory, the website for changing your password, some departmental sites, and the OIT website) may be offline.
  • Research Clusters: ISAAC, Secure Enclave, and NIMBIOS. The UT-StorR data archival system will also be unavailable.
  • VPN: The VPN, access.utk.edu, and site-to-site VPNs for Agriculture Extension Offices and SaaS Services.

What Is NOT Affected

  • Email: Email sent through Office 365 or Google will not be affected; however, system messages sent through smtp.utk.edu and Listserv will be unavailable.
  • Logins: Central authentication services provided by Microsoft and two-factor authentication should not be affected.

If you have questions or concerns regarding this announcement, please contact the OIT HelpDesk at 865-974-9900 or submit a request online.

Technical Details

Services that will be impacted by this event include, but are not limited to:

  • Domain Name Service
  • Site-to-site VPN Services (Agriculture Extension Offices, SaaS Services, &c)
  • ISAAC Research Cluster
  • Secure Enclave Research Cluster
  • NICS Backup Server
  • NIMBIOS Research Cluster
  • Gallagher Cardax Access Controls
  • Avigilon Camera NVR’s
  • SAP/IRIS Local Systems
  • VoIP Services (partial)
  • Remote Access VPN Services
  • Citrix Virtual Desktop
  • OIT Hypervisor Infrastructure

Most networks/services within OIT’s data centers will be interrupted during this event. Impacted Networks include, but are not limited to:

  • 160.36.232.0/21
  • 160.36.240.0/23
  • 160.36.242.0/23
  • 160.36.246.0/23
  • 160.36.248.0/23
  • 160.36.75.0/27
  • 160.36.75.32/27
  • 160.36.75.64/26
  • 160.36.75.192/26
  • 160.36.78.192/26
  • 160.36.128.40/29
  • 160.36.130.0/24
  • 160.36.134.128/25
  • 160.36.244.0/23
  • 192.249.9.0/24
  • 192.249.10.0/26
  • 192.249.10.64/26