Category Archives: CAS

RU-VPN2 Sign On Script Error for Windows users on Friday – May 21st, 2021

Posted on May 21, 2021 by Hongbo HE

On Friday May 21st, 2021, we received a few reports where users were getting “Script Error” when signing on to RU-VPN2 via CAS (Central Authentication Services) from Windows. After investigation, we found that this is due to the internal browser … Continue reading →

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U2F security key issue with Chrome in Incognito mode and Edge in InPrivate mode – April 23rd

Posted on April 27, 2021 by Hongbo HE

Starting April 23rd last Friday, U2F security key stopped working on Chrome (version 90.0.4430.85) in incognito mode and Edge (Chromium 90.0.818.49) in InPrivate mode for Central Authentication Service (CAS). This was due to a Chromium update that was released. A … Continue reading →

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CAS service interruption: 6:15 am – 8:47 am Aug. 28, 2020

Posted on August 28, 2020 by Hongbo HE

Some of Ryerson’s Central Authentication Service (CAS) application servers were not started properly during a scheduled maintenance operation at 6:15 am today. This prevented some users who connected to these servers from logging in to applications that use the SAML2 … Continue reading →

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CAS, ryerson.ca, and my.ryerson.ca service interruptions: from 1:38 PM to 2:20 PM , April 14

Posted on April 14, 2020 by Hongbo HE

One of the Central Authentication Service (CAS) application servers had connection issue to back-end database server starting around 1:38 p.m. on April 14. This prevented some users who were on this server from logging in. This server has been restarted … Continue reading →

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Issue with CAS registration page for Mobile Users Mar. 19 – Mar. 26

Posted on March 26, 2020 by Hongbo HE

Since March 19, 2020, a configuration error in the CAS single-sign on service prevented 62 people from using their mobile devices to reach the second factor registration page. Desktop users were not affected. The issue was rectified today. We apologize … Continue reading →

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CAS service interruption: from 9:49 pm, Dec. 19 to 8:45 am, Dec. 20

Posted on December 20, 2019 by Hongbo HE

The Central Authentication Service (CAS) application servers had a connection issue to its back-end database server starting around 9:49 pm on Dec. 10. This prevented some users from logging in. The servers have been restarted and CAS service has returned … Continue reading →

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CAS service interruption: from 4:00 pm, July 23 to 2:15 pm, July 24

Posted on July 24, 2019 by Hongbo HE

One of the Central Authentication Service (CAS) application servers had connection issue to back-end database server starting around 4:00 pm on July 23. This prevented some users who were on this server from logging in. This server has been take … Continue reading →

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CAS outage: Wednesday, May 29, 2019 8:50 am – 9:35 am

Posted on May 29, 2019 by Hongbo HE

Starting around 8:50 AM, on Wednesday, May 29, 2017, Ryerson’s Central Authentication Service (CAS) became unresponsive for some users. This impacted access to my.ryerson, eHR, RAMSS and other applications. The service was restarted at 9:35 am and returned to normal. CCS continues … Continue reading →

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Issues with logging on to Ryerson systems – Friday June 9, 2017

Posted on June 9, 2017 by Jim Buchanan

Due to an issue with CAS, Ryerson’s sign on application, some people may have problems when trying to log on to Ryerson systems with Internet Explorer. If you are experiencing this problem, please try another browser such as Google Chrome, … Continue reading →

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Scheduled maintenance – Central Authentication Service (CAS): Saturday, February 18, 2017 from 5 a.m. to 8 a.m.

Posted on February 16, 2017 by Branka Halilovic

On Saturday, February 18, 2017 from 5 a.m. to 8 a.m., Computing and Communications Services (CCS) will perform system maintenance on Ryerson’s Central Authentication Service (CAS).  CAS controls the login process to my.ryerson.ca, Google Apps at Ryerson, and other services … Continue reading →

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