All Systems Operational
About This Site
Welcome to the CU Anschutz ISS and CU Denver OIT system status page. ISS will provide information about service interruptions here.
Authentication Services
Operational
Email
Operational
Canvas
Operational
Network Services
Operational
CU Anschutz
Operational
CU Denver
Operational
Off-Site Location
Operational
Telephone Services
Operational
CU Anschutz
Operational
CU Denver
Operational
Off-Site Location
Operational
University Webpages
Operational
CU Anschutz
Operational
CU Denver
Operational
Virtual Private Network (VPN)
Operational
Zoom
Operational
Other Systems and Services
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Past Incidents
Sep 5, 2026
No incidents reported today.
Sep 4, 2026
Resolved -
This incident has been resolved.
Sep 4, 12:12 MDT
Sep 4, 12:12 MDT
Monitoring -
Information Strategy and Services (ISS) has identified the cause of the service disruption.
What service is affected: Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on. ISS has observed improvements throughout the day.
What fix has been applied: Microsoft has implemented various solutions and has stated that this issue is resolved around 4pm MST.
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3086456
Sep 3, 18:08 MDT
What service is affected: Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on. ISS has observed improvements throughout the day.
What fix has been applied: Microsoft has implemented various solutions and has stated that this issue is resolved around 4pm MST.
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3086456
Sep 3, 18:08 MDT
Update -
Information Strategy and Services (ISS) has identified the cause of the service disruption and is working on a resolution.
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on. ISS has observed improvement since noon, but is still seeing some delays in processing across multiple products.
Most CU Anschutz and CU Denver users are able to act without issue, but Microsoft continues to address issues within their infrastructure so this is considered an active incident. ISS will be circling back to reassess as work progresses.
What is the issue:
This is an international issue that Microsoft is working on. Mitigation efforts continue, and ISS continues to monitor progress.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and other Microsoft products.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Sep 3, 09:41 MDT
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on. ISS has observed improvement since noon, but is still seeing some delays in processing across multiple products.
Most CU Anschutz and CU Denver users are able to act without issue, but Microsoft continues to address issues within their infrastructure so this is considered an active incident. ISS will be circling back to reassess as work progresses.
What is the issue:
This is an international issue that Microsoft is working on. Mitigation efforts continue, and ISS continues to monitor progress.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and other Microsoft products.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Sep 3, 09:41 MDT
Update -
Information Strategy and Services (ISS) has identified the cause of the service disruption and is working on a resolution.
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on. ISS has observed improvement since noon, but is still seeing some delays in processing across multiple products. ISS will be circling back to reassess any ongoing issues as the afternoon progresses.
What is the issue:
This is an international issue that Microsoft is working on. Mitigation efforts continue, and ISS continues to monitor progress. Users continue to be impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and other Microsoft products.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Sep 2, 14:17 MDT
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on. ISS has observed improvement since noon, but is still seeing some delays in processing across multiple products. ISS will be circling back to reassess any ongoing issues as the afternoon progresses.
What is the issue:
This is an international issue that Microsoft is working on. Mitigation efforts continue, and ISS continues to monitor progress. Users continue to be impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and other Microsoft products.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Sep 2, 14:17 MDT
Update -
Information Strategy and Services (ISS) has identified the cause of the service disruption and is working on a resolution.
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on ISS is still seeing delays in processing across multiple products.
What is the issue:
This is an international issue that Microsoft is working on. Mitigation efforts continue, and ISS continues to monitor progress. Users continue to be impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and other Microsoft products.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Sep 2, 07:50 MDT
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This includes e-mail and calendar services through Microsoft, Microsoft Webmail, Microsoft Azure, and so on ISS is still seeing delays in processing across multiple products.
What is the issue:
This is an international issue that Microsoft is working on. Mitigation efforts continue, and ISS continues to monitor progress. Users continue to be impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and other Microsoft products.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Sep 2, 07:50 MDT
Update -
We are continuing to work on a fix for this issue.
Sep 2, 07:46 MDT
Sep 2, 07:46 MDT
Update -
Information Strategy and Services (ISS) has identified the cause of the service disruption and is working on a resolution.
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This included e-mail and calendar services through Microsoft. Many messages are flowing normally, but ISS is still seeing delays in processing.
What is the issue:
Microsoft has posted their efforts concerning this ongoing issue. Mitigation efforts continue, and ISS continues to see services improving. But, users continue to be impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and so on.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Incident:
Sep 1, 17:02 MDT
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This included e-mail and calendar services through Microsoft. Many messages are flowing normally, but ISS is still seeing delays in processing.
What is the issue:
Microsoft has posted their efforts concerning this ongoing issue. Mitigation efforts continue, and ISS continues to see services improving. But, users continue to be impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and so on.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Incident:
Sep 1, 17:02 MDT
Identified -
Information Strategy and Services (ISS) has identified the cause of the service disruption and is working on a resolution.
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This included e-mail and calendar services through Microsoft.
What is the issue:
Microsoft has posted their efforts concerning this ongoing issue. Mitigation efforts are in progress, and ISS is seeing services improved but users are still currently impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and so on.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Incident:
Sep 1, 09:04 MDT
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products. This included e-mail and calendar services through Microsoft.
What is the issue:
Microsoft has posted their efforts concerning this ongoing issue. Mitigation efforts are in progress, and ISS is seeing services improved but users are still currently impacted.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online, including e-mail, calendar, teams messages, and so on.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on resolving this as quickly as possible.
Incident:
Sep 1, 09:04 MDT
Investigating -
Information Strategy and Services (ISS) is aware of and currently investigating a service disruption.
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products.
What is the issue:
Microsoft posted concerning this ongoing issue. Details are sparse, and the investigation is ongoing.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3086456
Aug 31, 10:31 MDT
What service is affected:
Users are having difficulties with accessing or using Exchange Online, and all associated office products.
What is the issue:
Microsoft posted concerning this ongoing issue. Details are sparse, and the investigation is ongoing.
Who is impacted:
All users (students/staff/faculty) that utilize Exchange Online.
Workarounds (if any):
There are no workarounds available at this time.
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3086456
Aug 31, 10:31 MDT
Sep 3, 2026
Resolved -
This incident has been resolved.
Sep 3, 15:32 MDT
Sep 3, 15:32 MDT
Monitoring -
A fix has been implemented and ISS staff is monitoring the results.
Sep 3, 12:09 MDT
Sep 3, 12:09 MDT
Identified -
The issue has been identified and a fix is being implemented.
Ticket # 3087694
Sep 3, 10:08 MDT
Ticket # 3087694
Sep 3, 10:08 MDT
Investigating -
ISS has received reports of a network outage affecting wired and wireless devices on the second floor of the Campus Services Building. ISS is investigating.
Sep 3, 09:33 MDT
Sep 3, 09:33 MDT
Sep 2, 2026
Sep 1, 2026
Aug 31, 2026
Resolved -
Information Strategy and Services (ISS) has determined that service has been fully restored.
What service was affected:
Authentication services are affected. On attempting to login, some users are receiving an error screen preventing access to multiple software applications
What is the resolution:
Oracle's changes to their internal infrastructure that addressed the issue have been stable for over two hours.
If you are still experiencing service degradation after this resolution, please contact the Service Desk at 303-724-4357.
Incident:
Aug 31, 16:25 MDT
What service was affected:
Authentication services are affected. On attempting to login, some users are receiving an error screen preventing access to multiple software applications
What is the resolution:
Oracle's changes to their internal infrastructure that addressed the issue have been stable for over two hours.
If you are still experiencing service degradation after this resolution, please contact the Service Desk at 303-724-4357.
Incident:
Aug 31, 16:25 MDT
Monitoring -
Information Strategy and Services (ISS) has identified the cause of the service disruption.
What service is affected:
Authentication services are affected. On attempting to login, some users are receiving an error screen preventing access to multiple software applications.
What fix has been applied:
Oracle has applied a fix to their part of authentication services, and logins are now working as expected.
Workarounds (if any):
Authentication services have been restored. No workaround necessary.
ISS will continue to monitor the service for full stability and service restoration.
Incident:3086391
Aug 31, 13:47 MDT
What service is affected:
Authentication services are affected. On attempting to login, some users are receiving an error screen preventing access to multiple software applications.
What fix has been applied:
Oracle has applied a fix to their part of authentication services, and logins are now working as expected.
Workarounds (if any):
Authentication services have been restored. No workaround necessary.
ISS will continue to monitor the service for full stability and service restoration.
Incident:3086391
Aug 31, 13:47 MDT
Investigating -
Information Strategy and Services (ISS) is aware of and currently investigating a service disruption.
What service is affected:
Authentication services are affected. On attempting to login, some users are receiving an error screen preventing access to multiple software applications.
What is the issue:
There is a strong influx of authentication attempts that is preventing all users from accessing services.
Who is impacted:
All users of CU services are impacted.
Workarounds (if any):
If users continue to try to login, they will most likely be successful. Anecdotal evidence leads us to believe after 2-3 attempts a user will be successful. that may chance as the day progresses.
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3086391
Aug 31, 08:27 MDT
What service is affected:
Authentication services are affected. On attempting to login, some users are receiving an error screen preventing access to multiple software applications.
What is the issue:
There is a strong influx of authentication attempts that is preventing all users from accessing services.
Who is impacted:
All users of CU services are impacted.
Workarounds (if any):
If users continue to try to login, they will most likely be successful. Anecdotal evidence leads us to believe after 2-3 attempts a user will be successful. that may chance as the day progresses.
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3086391
Aug 31, 08:27 MDT
Aug 30, 2026
No incidents reported.
Aug 29, 2026
No incidents reported.
Aug 28, 2026
No incidents reported.
Aug 27, 2026
Resolved -
Information Strategy and Services (ISS) has determined that service has been fully restored for most users. Remaining tickets associated with this incident will continue to be assisted individually.
What service was affected: Account Provisioning Services; Some POI accounts expired according to university policy. As a result, these accounts were disabled at the system level and access to university resources was removed based on details and expiration dates entered into HCM.
What is the resolution: Impacted POI accounts were reenabled to restore service. Work will continue to reinstate affected users’ phone services on an individual basis.
POIs who see issues with their account details (such as the incorrect organization or role) please contact your HR representative for correction of these details in the HCM system.
If you are still experiencing service degradation after this resolution and have not already submitted a ticket, please contact the Service Desk at 303-724-4357.
Incident: 3085186
Aug 27, 13:29 MDT
What service was affected: Account Provisioning Services; Some POI accounts expired according to university policy. As a result, these accounts were disabled at the system level and access to university resources was removed based on details and expiration dates entered into HCM.
What is the resolution: Impacted POI accounts were reenabled to restore service. Work will continue to reinstate affected users’ phone services on an individual basis.
POIs who see issues with their account details (such as the incorrect organization or role) please contact your HR representative for correction of these details in the HCM system.
If you are still experiencing service degradation after this resolution and have not already submitted a ticket, please contact the Service Desk at 303-724-4357.
Incident: 3085186
Aug 27, 13:29 MDT
Update -
Information Strategy and Services (ISS) has identified the cause of the service disruption.
What service is affected: Account Provisioning Services
What fix has been applied: Some POI accounts were reenabled and corrective actions have been implemented to address the underlying issue.
Workarounds (if any): Users experiencing issues should contact the Service Desk and submit a ticket for each affected user.
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3085186
Aug 26, 13:47 MDT
What service is affected: Account Provisioning Services
What fix has been applied: Some POI accounts were reenabled and corrective actions have been implemented to address the underlying issue.
Workarounds (if any): Users experiencing issues should contact the Service Desk and submit a ticket for each affected user.
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3085186
Aug 26, 13:47 MDT
Monitoring -
Information Strategy and Services (ISS) has identified the cause of the service disruption.
What service is affected: Account Provisioning Services
What fix has been applied: Some POI accounts were reenabled
Workarounds (if any): Call Service Desk
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3085186
Aug 25, 17:00 MDT
What service is affected: Account Provisioning Services
What fix has been applied: Some POI accounts were reenabled
Workarounds (if any): Call Service Desk
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3085186
Aug 25, 17:00 MDT
Identified -
Information Strategy and Services (ISS) has identified the cause of the service disruption and is working on a resolution.
What service is affected: Account Provisioning Services
What is the issue: POI Accounts were disabled
Who is impacted: Some Contractor POI Accounts
Workarounds (if any): Call Service Desk
Thank you for your patience while our team works on resolving this as quickly as possible.
Incident: 3085186
Aug 25, 15:02 MDT
What service is affected: Account Provisioning Services
What is the issue: POI Accounts were disabled
Who is impacted: Some Contractor POI Accounts
Workarounds (if any): Call Service Desk
Thank you for your patience while our team works on resolving this as quickly as possible.
Incident: 3085186
Aug 25, 15:02 MDT
Investigating -
Information Strategy and Services (ISS) is aware of and currently investigating a service disruption.
What service is affected: Account Provisioning Services
What is the issue: Some POI accounts were disabled
Who is impacted: Some Contractor POI Accounts
Workarounds (if any): None
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3085186
Aug 25, 10:15 MDT
What service is affected: Account Provisioning Services
What is the issue: Some POI accounts were disabled
Who is impacted: Some Contractor POI Accounts
Workarounds (if any): None
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3085186
Aug 25, 10:15 MDT
Aug 26, 2026
Aug 25, 2026
Resolved -
Information Strategy and Services (ISS) has determined that service has been fully restored.
What service was affected: eFax services
What is the resolution: configuration changes and reboot
If you are still experiencing service degradation after this resolution, please contact the Service Desk at 303-724-4357.
Incident: 3084710
Aug 25, 10:18 MDT
What service was affected: eFax services
What is the resolution: configuration changes and reboot
If you are still experiencing service degradation after this resolution, please contact the Service Desk at 303-724-4357.
Incident: 3084710
Aug 25, 10:18 MDT
Monitoring -
Information Strategy and Services (ISS) has identified the cause of the service disruption.
What service is affected: eFax
What fix has been applied: reboot with config changes
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3084710
Aug 24, 11:03 MDT
What service is affected: eFax
What fix has been applied: reboot with config changes
ISS will continue to monitor the service for full stability and service restoration.
Incident: 3084710
Aug 24, 11:03 MDT
Investigating -
Information Strategy and Services (ISS) is aware of and currently investigating a service disruption.
What service is affected: eFax service
What is the issue: not currently processing faxes
Who is impacted: eFax service provided by ISS is currently not able to send or receive faxes. Faxes services provided by other groups, i.e. School of Medicine or Epic, are not impacted.
Workarounds (if any): HIPAA compliant physical fax machine.
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3084710
Aug 24, 10:00 MDT
What service is affected: eFax service
What is the issue: not currently processing faxes
Who is impacted: eFax service provided by ISS is currently not able to send or receive faxes. Faxes services provided by other groups, i.e. School of Medicine or Epic, are not impacted.
Workarounds (if any): HIPAA compliant physical fax machine.
Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.
Incident: 3084710
Aug 24, 10:00 MDT
Aug 24, 2026
Aug 23, 2026
No incidents reported.
Aug 22, 2026
No incidents reported.