Update - We are continuing to investigate the issue preventing users from logging into Mosaic. Our teams are actively working to identify the root cause and restore service as quickly as possible.
Further updates will be provided as new information becomes available. Thank you for your patience.
Jun 12, 2025 - 09:33 EDT
Investigating - We are investigating issues with logging into Mosaic. Teams are working to resolve and will update as soon as possible.
We appreciate your patience and support as we work to resolve this issue.
Jun 11, 2025 - 11:05 EDT
Welcome to the McMaster University Technology Services Status Page. Here you will find current information about the status of our enterprise services/systems.
Please be advised that scheduled network maintenance will take place on Saturday, June 14, between 9:00 a.m. and 12:00 p.m. This work is necessary to maintain and improve network reliability across our sites. Wired, wireless, and telephone services will be impacted during this time.
The following buildings will experience a network interruption during the maintenance window: • Kenneth Taylor Hall (KTH) – all floors
In case of emergencies during this period, please contact Campus Security directly at 905-522-4135.
Resolved -
This incident has been resolved.
Jun 11, 10:25 EDT
Identified -
Some devices are currently receiving an untrusted server error when attempting to connect to VPN. The Network team is working on a resolve.
Jun 11, 09:43 EDT
Completed -
The scheduled maintenance has been completed.
Jun 8, 09:00 EDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jun 6, 17:30 EDT
Scheduled -
Scheduled Maintenance June 6, 5:30 p.m. – June 9, 8 a.m. All Mosaic services will be unavailable for an infrastructure upgrade. Fri. June 6, 5:30 p.m. – Mon. June 9, 8 a.m.
Jun 4, 10:46 EDT
Completed -
The scheduled maintenance has been completed.
May 31, 10:00 EDT
In progress -
Scheduled maintenance is currently in progress. We will provide updates as necessary.
May 31, 09:00 EDT
Scheduled -
Please be advised that scheduled network maintenance will take place on Saturday, May 31st, between 9:00 a.m. and 10:00 a.m. This work is necessary to maintain and improve network reliability across our sites. Wired, wireless, and telephone services will be impacted during this time.
The following buildings will experience a network interruption of up to one hour during the maintenance window:
• Togo Salmon Hall (TSH) – all floors
In case of emergencies during this period, please contact Campus Security directly at 905-522-4135.