Update - Microsoft reports that sign-in and access to Microsoft 365 are improving, but queued email is still being delivered, so some messages may arrive late, including password reset emails and requests sent to the Enterprise Service Centre. Microsoft has no estimated time for full recovery yet. We are continuing to monitor service recovery.
Nov 13, 2026 - 15:10 EST
Nov 13, 2026 - 15:10 EST
Update - Microsoft reports broad recovery and stability across its services and has fixed the underlying cause, which it says was a technical problem from an earlier network upgrade and not a cyberattack. Microsoft is completing recovery for the remaining customers, and some delayed emails may still be arriving.
Nov 13, 2026 - 13:06 EST
Nov 13, 2026 - 13:06 EST
Update - Microsoft is working on the remaining issues and confirming that recovery is holding. Email may still be delayed, including password reset emails and requests sent to the ESC, and some Teams features such as calendar, creating events and creating private channels may fail, while calls, meetings and chats work.
Nov 13, 2026 - 11:18 EST
Nov 13, 2026 - 11:18 EST
Update - Some emails may still be delayed while Microsoft completes recovery. This may affect self-service password reset emails and requests emailed to the Enterprise Service Centre, which may not yet have created a ticket. Microsoft reports sustained improvement in service availability.
Nov 13, 2026 - 10:40 EST
Nov 13, 2026 - 10:40 EST
Update - Microsoft reports sustained improvement in service availability and is working to resolve the remaining issues. Some users may still have intermittent connection problems or delayed email.
Nov 13, 2026 - 10:04 EST
Nov 13, 2026 - 10:04 EST
Update - Microsoft reports that delayed email is nearly back to normal levels and it is restoring the remaining affected systems. Some users may still have intermittent problems or late-arriving email.
Nov 13, 2026 - 09:11 EST
Nov 13, 2026 - 09:11 EST
Update - Microsoft reports a broader recovery in North America, and we are seeing service recover in our tenant. Some users may still have intermittent problems or delayed email while Microsoft completes recovery. We continue to monitor the situation in our tenant.
Nov 13, 2026 - 08:07 EST
Nov 13, 2026 - 08:07 EST
Update - We are continuing to monitor for any further issues.
Nov 13, 2026 - 07:48 EST
Nov 13, 2026 - 07:48 EST
Update - We are continuing to monitor for any further issues.
Nov 13, 2026 - 07:44 EST
Nov 13, 2026 - 07:44 EST
Monitoring - We are seeing signs of recovery in our tenant and continue to monitor the situation. Microsoft reports that service is improving, though some users may still have intermittent problems.
Nov 13, 2026 - 07:36 EST
Nov 13, 2026 - 07:36 EST
Update - We are monitoring service recovery for U of T users while Microsoft continues its remediation work.
Nov 13, 2026 - 07:19 EST
Nov 13, 2026 - 07:19 EST
Update - Microsoft reports that service is improving in Europe, Asia Pacific and North America, though some users may still have intermittent problems with email and calendar. Delayed email is being held for up to 48 hours and will be delivered as service recovers.
Nov 13, 2026 - 07:14 EST
Nov 13, 2026 - 07:14 EST
Update - Microsoft reports that the capacity changes made to restore service did not work as expected, and it is now pursuing other approaches. Email, calendar, Copilot and some Purview features remain affected, while Teams chat and online meetings are largely working.
Nov 12, 2026 - 22:05 EST
Nov 12, 2026 - 22:05 EST
Update - Microsoft reports that some regions are coming back online and it is adding capacity to support them while monitoring results. Email, calendar, Copilot and some Purview features, including eDiscovery and audit searches, remain affected. The next update from Microsoft is expected by 10:00 p.m.
Nov 12, 2026 - 21:41 EST
Nov 12, 2026 - 21:41 EST
Update - Microsoft reports positive results from restarting the affected systems and is monitoring them to confirm they stay stable. Microsoft will extend the fix more widely once stability is confirmed. The next update from Microsoft is expected by 10:00 p.m.
Nov 12, 2026 - 21:13 EST
Nov 12, 2026 - 21:13 EST
Update - Microsoft has identified the cause as a server process that becomes overloaded when setting up secure connections, and is testing a fix before applying it to all affected servers. Microsoft is also reversing a recent network change linked to the start of the issue. Email, calendar and Copilot remain affected, and the next update from Microsoft is expected by 9:00 p.m.
Nov 12, 2026 - 20:39 EST
Nov 12, 2026 - 20:39 EST
Update - Microsoft reports that only features that depend on email and calendar are affected. Teams chat and online meetings remain largely available and files stored in SharePoint can still be opened, while email, calendar, Copilot and Education features such as Assignments may not work. Microsoft is still working to restore service, and the next update is expected by 8:30 p.m.
Nov 12, 2026 - 19:52 EST
Nov 12, 2026 - 19:52 EST
Update - Microsoft reports that some servers it returned to service stopped responding again once traffic resumed. Microsoft is limiting some types of traffic to the affected systems and rebuilding some servers with an earlier setup to restore service step by step. The next update from Microsoft is expected by 8:30 p.m
Nov 12, 2026 - 19:25 EST
Nov 12, 2026 - 19:25 EST
Update - Microsoft’s scheduled update has not yet been published. Microsoft last reported that it is restoring the affected servers, with service partly recovered in some regions. The next update from Microsoft is expected by 7:30 p.m.
Nov 12, 2026 - 19:06 EST
Nov 12, 2026 - 19:06 EST
Update - Microsoft reports that some of the affected servers are back in service and stable, and service has partly recovered in some regions. Microsoft is continuing to restore the remaining servers, and users may see service gradually return as their apps reconnect. The next update from Microsoft is expected by 7:00 p.m.
Nov 12, 2026 - 18:16 EST
Nov 12, 2026 - 18:16 EST
Update - Microsoft has not provided new information and is continuing to test a new recovery approach on part of its systems. The next update from Microsoft is expected by 6:00 p.m.
Nov 12, 2026 - 17:33 EST
Nov 12, 2026 - 17:33 EST
Update - Microsoft is continuing to bring the affected servers back into service and is considering rolling back recent configuration changes to speed up recovery. Microsoft Intune, Microsoft Defender for Office 365 and some Power BI exports are also affected.
Nov 12, 2026 - 16:57 EST
Nov 12, 2026 - 16:57 EST
Update - Microsoft has not provided new information and is continuing to apply its fix more widely.
The next update from Microsoft is expected by 5:00 p.m.
Nov 12, 2026 - 16:20 EST
The next update from Microsoft is expected by 5:00 p.m.
Nov 12, 2026 - 16:20 EST
Update - Microsoft reports that many of the affected servers have stopped responding, which is delaying confirmation of whether its fix is working. Microsoft is restarting these servers with the fix in place and extending it to more of the affected systems. Planner and To Do are also affected.
Nov 12, 2026 - 15:53 EST
Nov 12, 2026 - 15:53 EST
Update - Microsoft has not provided new information since its last update and is continuing to test a fix on some of the affected servers. The next update from Microsoft is expected by 4:30 p.m.
Nov 12, 2026 - 15:16 EST
Nov 12, 2026 - 15:16 EST
Update - Microsoft has identified a likely cause and is testing a fix on some of the affected servers, which it will apply more widely if successful. Microsoft is also restarting all affected servers. Further updates will be provided as more information becomes available.
Nov 12, 2026 - 14:39 EST
Nov 12, 2026 - 14:39 EST
Update - Microsoft is continuing to work on restoring service. Further updates will be provided as more information becomes available.
Nov 12, 2026 - 13:48 EST
Nov 12, 2026 - 13:48 EST
Identified - Since about 11:15 a.m. on Thursday, November 12, 2026, some users may have trouble connecting to Microsoft 365 services. These include Outlook and email, Microsoft Teams, SharePoint and Microsoft 365 Copilot. Pages may load slowly, load only partly or show connection errors. Some U of T users have reported this problem.
Microsoft has confirmed the problem affects several of its services across multiple regions and says it’s caused by heavy load on part of its infrastructure. Microsoft is restarting and repairing the affected systems and is moving traffic to other systems to restore service. Further updates will be provided as more information becomes available.
Nov 12, 2026 - 13:47 EST
Microsoft has confirmed the problem affects several of its services across multiple regions and says it’s caused by heavy load on part of its infrastructure. Microsoft is restarting and repairing the affected systems and is moving traffic to other systems to restore service. Further updates will be provided as more information becomes available.
Nov 12, 2026 - 13:47 EST
Investigating - An unplanned outage is affecting Outlook email. Users may be unable to access the service at this time. Our technical team is working with the vendor to restore access as quickly as possible. We will provide updates as the situation evolves.
Nov 12, 2026 - 13:30 EST
Nov 12, 2026 - 13:30 EST
About This Site
The ITS System Status Page provides an overview of current service status messages and scheduled maintenance for major University of Toronto systems and services. You may contact the Joint Operations Group (JOG) using the e-mail link above or by calling 416-978-4621. The JOG is staffed Monday to Friday, 8am-4pm.
Please scroll down to see details of upcoming scheduled maintenance as well as historical information on previous incidents.
We recommend that you sign up to receive push notifications of service outages. Click on the "Subscribe to Updates" button at the top of this page and select the method(s) by which you want to receive system status updates. For e-mail notifications, we recommend using a non-UofT email address so that you will still receive notifications in the event there is an outage that prevents access to university email services.
If you don't see your issue posted here, please let us know!
AI Tools & Applications
Operational
Claude for Education
Operational
ChatGPT.EDU
Operational
Cogniti
Operational
MS GitHub Copilot Business
Operational
MS 365 Copilot
Operational
MS Copilot Chat
Operational
MS Teams Premium
Operational
Azure AI Foundry
Operational
AIK Model Comparison Tool
Operational
AMS
Operational
AMS SAP GUI
Operational
FIS
Operational
HRIS
Operational
Payroll Services
Operational
RPT
Operational
Other
Operational
Administrative Web Services
Operational
Academic Administrative Appointments (AAA)
Operational
Applicant Tracking System (Taleo)
Operational
Capital Project
Operational
Degree Explorer Admin
Operational
Employees@UofT
Operational
ESS
Operational
EvoSuite Apps
Operational
Expense Reimbursement (ERDD)
Operational
Invoice Workflow Solution (IWS)
Operational
My Research (MR)
Operational
MROL
Operational
MSS
Operational
Performance Assessment (Halogen)
Operational
SuccessFactors: Learning Management System
Operational
Tableau Server
Operational
uSOURCE
Operational
uTIME (Kronos)
Operational
Other
Operational
Campus
Operational
UTM
Operational
UTSC
Operational
UTSG
Operational
Client Support Services
Operational
AlertUs Crisis Communication
Operational
Curriculum Assistant
Operational
DHCP
Operational
High Availability Storage
Operational
iFile
Operational
Microsoft Campus Agreement
Operational
MS Teams
Operational
Mirror Service
Operational
SCCM
Operational
ServiceNow
Operational
SharePoint
Operational
Simple Storage
Operational
TeamMate Audit Documentation
Operational
UTORcsi AD
Operational
UTORcsiVPN
Operational
UTSend
Operational
WebHelpDesk
Operational
Other
Operational
Data Centres
Operational
DCA
Operational
DCB
Operational
HSB
Operational
Other
Operational
Electrical Shutdowns
Operational
Electrical Scheduled Maintenance
Operational
Other
Operational
Enterprise Networks
Operational
Campus Backbone Network
Operational
Campus Wireless Network
Operational
Departmental Networks
Operational
DNS
Operational
UTM WAN Link
Operational
UTSC WAN Link
Operational
Other
Operational
Email Systems
Degraded Performance
Listserv
Degraded Performance
Microsoft 365
Degraded Performance
UTMail+
Degraded Performance
Other
Degraded Performance
ITS Private Cloud Infrastructure
Operational
UTORbackup/UTORrecover
Operational
Virtual Server Service
Operational
Identity Management Systems
Operational
DUO
Operational
Enterprise Active Directory
Operational
Kerberos
Operational
LDAP
Operational
MIM
Operational
Password Change / Reset
Operational
PubCookie
Operational
Self-Service Password Reset
Operational
Shibboleth
Operational
UTORable
Operational
UTORauth-NET
Operational
UTORGrouper
Operational
UTORid
Operational
UTORMFA (Multi-factor authentication)
Operational
Weblogin
Operational
Other
Operational
Information Security
Operational
Authentication Services
Operational
Azure Cloud Services
Operational
Azure EDGE Firewalls
Operational
Firewall Services
Operational
Network Policy Management
Operational
Other
Operational
Research & Library Systems
Operational
JupyterHub
Operational
Library
Operational
MS Forms
Operational
R/RStudio
Operational
REDCap
Operational
Other
Operational
Student Web Services
Operational
ACORN
Operational
Accommodated Testing Services (Student & Admin)
Operational
calendar.utoronto.ca
Operational
Career Learning Network
Operational
Co-Curricular Record
Operational
Course Evaluations
Operational
Course Information System
Operational
Degree Confirmation
Operational
Degree Explorer
Operational
eMarks
Operational
Financial Planner
Operational
join.utoronto.ca
Operational
Online Administrative Student Info System (OASIS)
Operational
Ontario Universities' Application Centre (OUAC)
Operational
ROSI
Operational
Safety Abroad Student Registry
Operational
Timetable Builder
Operational
Transfer Explorer
Operational
VBR - Varsity Blues Registration
Operational
Other
Operational
Student Advising Service
Operational
ROSI Express
Operational
Telecommunications
Degraded Performance
Bell Centrex
Operational
Bell Mobility
Operational
Cisco BroadWorks Portal
Operational
Emergency Call Display Dashboard
Operational
TELUS/GoCo VoIP – WebEx
Operational
TELUS/GoCo VoIP – Polycom Devices
Operational
TELUS/GoCo VoIP – Voicemail
Operational
TELUS/GoCo VoIP – Call Centre
Operational
TELUS/GoCo VoIP – OSS/BSS Management Portal
Operational
Microsoft Teams Phone
Degraded Performance
Rogers Business Billing & Reporting Portal
Operational
Rogers Direct e-Ordering Portal
Operational
Rogers Mobile
Operational
U of T Online Directory
Operational
Other Services
Operational
Video-Mediated Communications
Operational
MS Stream
Operational
MyMedia
Operational
OCCS
Operational
TechSmith Snagit
Operational
Zoom
Operational
Other
Operational
VPN Services
Operational
AdminVPN
Operational
UTORvpn (OpenVPN)
Operational
UTORvpn (Cisco Secure Client)
Operational
Remote Desktop Gateway (RDG)
Operational
Other
Operational
Web Services
Operational
Career Learning Network
Operational
Enterprise Search
Operational
LAMP Hosting Service
Operational
UofT Home Page
Operational
UTSC Home Page
Operational
UTM Home Page
Operational
Other
Operational
#1. Administrative and Business
Operational
Academic Administrative Appointments (AAA)
Operational
AMS
Operational
Capital Projects Portal
Operational
Employee Self-Service (ESS)/Manager Self-Service (MSS)
Operational
EvoSuite Applications
Operational
Concur
Operational
Invoice Workflow
Operational
My Research
Operational
SuccessFactors
Operational
uSOURCE
Operational
UTime
Operational
Other
Operational
#2. Communication and Collaboration
Operational
UTAlert
Operational
UTORlist/LISTSERV
Operational
MS Teams Phone
Operational
MS Teams
Operational
MyMedia
Operational
OCCS
Operational
SharePoint Online
Operational
TechSmith Snagit
Operational
UTmail+/Exchange Online
Operational
UofT Websites
Operational
UTsend
Operational
WordPress Hosting Service
Operational
WordPress Hosting Service
Operational
Zoom
Operational
Other
Operational
#3. Information Security
Operational
AdminVPN
Operational
Authentication Services
Operational
Azure EDGE Firewalls
Operational
Enterprise Active Directory (EAD)
Operational
Firewall Services
Operational
Kerberos
Operational
LDAP
Operational
Network Policy Management
Operational
Remote Desktop Gateway
Operational
Self-Service Password Reset
Operational
UTORable
Operational
UTORauth-NET
Operational
UTORGrouper
Operational
UTORid
Operational
UTORid Management Portal
Operational
UTORMFA
Operational
UTORvpn
Operational
Weblogin
Operational
MS Entra ID
Operational
Other
Operational
#4. Infrastructure Services
Operational
Azure Cloud Services
Operational
Campus Backbone Network
Operational
Campus Wireless Network
Operational
Data Centres (DCA, DCB, HSB)
Operational
Departmental Networks
Operational
DNS
Operational
Electrical Scheduled Maintenance
Operational
High Availability Storage
Operational
iFile
Operational
ITS Private Cloud
Operational
Mirror Service
Operational
Server Management (Linux/Windows OS)
Operational
Simple Storage
Operational
UTM WAN Link
Operational
UTORrecover
Operational
UTSC WAN Link
Operational
UTORrecover
Operational
MS KMS
Operational
Other
Operational
#5. IT Professional Services
Operational
MS KMS
Operational
Enterprise Service Centre(ESC)/ServiceNow
Operational
Tableau Server
Operational
Other
Operational
#6. Research Computing Services
Operational
JupyterHub
Operational
Library
Operational
R/RStudio
Operational
REDCap
Operational
Other
Operational
#7. Student Information Systems
Operational
ACORN
Operational
calendar.utoronto.ca
Operational
Career Learning Network
Operational
Co-Curricular Record
Operational
Course Evaluations
Operational
Course Information System
Operational
Curriculum Assistant
Operational
Degree Confirmation
Operational
Degree Explorer Admin
Operational
eMarks
Operational
Financial Planner
Operational
join.utoronto.ca
Operational
OASIS
Operational
OUAC
Operational
Quercus
Operational
Remark Office
Operational
ROSI
Operational
ROSI Express
Operational
Safety Abroad Student Registry
Operational
Student Advising Service
Operational
Timetable Builder
Operational
Transfer Explorer
Operational
VBR – Varsity Blues Registration
Operational
Other
Operational
#8. Telecommunications
Operational
Bell Centrex
Operational
Bell Mobility
Operational
Broadsoft Web Portal
Operational
Emergency Call Display Dashboard
Operational
GoCo/BroadConnect VoIP
Operational
MS Teams Phone
Operational
Rogers Business Billing & Reporting Portal
Operational
Rogers Direct e-Ordering Portal
Operational
Rogers Mobile
Operational
U of T Online Directory
Operational
Other Services
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.
Scheduled Maintenance
Planned Maintenance – Network: ORION ISP Nov 13, 2026 22:00 - Nov 14, 2026 00:00 EST
Network maintenance is scheduled at ORION on November 13th, from 10:00 PM to 11:59 PM.
Please be advised that UTORnet connectivity to SciNet at Keele will be affected by this maintenance.
Posted on Nov 03, 2026 - 10:08 EST
Please be advised that UTORnet connectivity to SciNet at Keele will be affected by this maintenance.
Posted on Nov 03, 2026 - 10:08 EST
Planned Maintenance – Electrical Shutdown @ Daniels Building Nov 21, 2026 07:00-19:00 EST
Scheduled electrical maintenance will occur at the Daniels Building on Nov. 21, 2026, 7:00 AM – 7:00PM.
During this period, network and power services in the affected area may be temporarily unavailable. Services will be restored once power is back online.
Posted on Oct 20, 2026 - 11:19 EDT
During this period, network and power services in the affected area may be temporarily unavailable. Services will be restored once power is back online.
Posted on Oct 20, 2026 - 11:19 EDT
Planned Maintenance – ROSI – November 27, 2026 (5 – 9 p.m. ET) Nov 27, 2026 17:00-21:00 EST
Please note that ROSI and most associated student information systems will be unavailable on Friday, November 27 from 5 to 9 p.m. due to quarterly maintenance on the database. We will return the systems to service sooner if the work is completed earlier than 9 p.m.
The ROSI-REPLICA on the Managed Instance (MI) will remain accessible during the maintenance. Data syncing with the ROSI transactional database will restart 10 – 20 minutes after the end of the maintenance period and applications have been restarted.
The following systems will be affected:
• Accommodated Testing Services (Student and Admin)
• ACORN
• Course Information System
• Degree Explorer (Student and Admin)
• EASI Institutional File Transfer
• eMarks
• Online Administrative Student Information System (OASIS) – including Absence Declaration, and the Timetable Builder and Transfer Equivalencies database administrative screens
• ROSI
• ROSI Express
• ROSI Files
• Safety Abroad Student Registry
• Varsity Blues Registration System
• Web services/APIs
Timetable Builder (Student) will remain available.
Posted on Nov 02, 2026 - 15:44 EST
The ROSI-REPLICA on the Managed Instance (MI) will remain accessible during the maintenance. Data syncing with the ROSI transactional database will restart 10 – 20 minutes after the end of the maintenance period and applications have been restarted.
The following systems will be affected:
• Accommodated Testing Services (Student and Admin)
• ACORN
• Course Information System
• Degree Explorer (Student and Admin)
• EASI Institutional File Transfer
• eMarks
• Online Administrative Student Information System (OASIS) – including Absence Declaration, and the Timetable Builder and Transfer Equivalencies database administrative screens
• ROSI
• ROSI Express
• ROSI Files
• Safety Abroad Student Registry
• Varsity Blues Registration System
• Web services/APIs
Timetable Builder (Student) will remain available.
Posted on Nov 02, 2026 - 15:44 EST
Planned Maintenance – UTM Firewall Nov 27, 2026 23:00 - Nov 28, 2026 06:00 EST
UTM will be performing firewall maintenance between November 27th, 11:00 PM to November 28th, 06:00 AM. There will be intermittent network disruptions between UTSG and UTM.
Posted on Nov 11, 2026 - 11:58 EST
Posted on Nov 11, 2026 - 11:58 EST