Category Archives: All Categories

CED Active Directory outage

Posted on October 18, 2013 by michael

On Friday October 18, 2013 at 7:00 AM, CCS migrated its data centre firewalls to a newer device. This prevented CED staff from accessing their Active Directory server in the data centre. The problem was rectified and services were resumed … Continue reading →

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Intermittent Email Delivery Disruption from Yahoo

Posted on October 16, 2013 by Hongbo HE

CCS has received reports from users about not being able to send emails to Ryerson from Yahoo email addresses.  This issue is  intermittent and users will get the following message: No MX or A records for ryerson.ca. This appears to … Continue reading →

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Intermittent Wireless Access

Posted on October 16, 2013 by michael

A critical upgrade had to be done for the wireless network controllers all over the campus (except TRS) to allow for the use of enhanced wireless access points. The upgrade took place on Tuesday October 15, 2013 between 10:30 and … Continue reading →

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YDI Network Outage: Friday, October 11, 2013 4:00 AM – 6:10 AM

Posted on October 11, 2013 by michael

During an automated software upgrade of a network switch, the device stopped passing network traffic. This caused a network outage for the 9th and 11th floors of the YDI building. Services were resumed at 6:10 AM after CCS staff were able … Continue reading →

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Authentication Service slow or unresponsive for some users: Thursday, Oct. 7, 2013 11:56 AM – 12:15 PM

Posted on October 7, 2013 by Hongbo HE

Ryerson’s Central Authentication Service (CAS) became either slow or unresponsive for some people trying to use it at 11:56 AM this morning.  CAS controls the login process to my.ryerson.ca, Google Apps at Ryerson, and other services. We found that one of the CAS servers … Continue reading →

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Authentication Service outage: Thursday, Oct. 3, 2013 10:56 AM – 11:15 AM

Posted on October 3, 2013 by Hongbo HE

Ryerson’s Central Authentication Service (CAS) that controls the login process to my.ryerson.ca, Google Apps at Ryerson, and other services was unavailable this morning from 10:56 AM – 11:15 AM. The CAS servers were restarted and the system is working normally. … Continue reading →

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Network Outage: Friday, September 27, 2013 7:25 AM – 7:55 AM

Posted on September 27, 2013 by michael

On Friday, September 27, 2013 at 7:25 AM,  a scheduled firewall upgrade failed which caused a network interruption  to the campus. A redundant firewall has taken over and services resumed at 7:55 AM. We apologize for the inconvenience this outage … Continue reading →

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Network & Phone Outage in TRS

Posted on September 16, 2013 by michael

On Sunday, September 15, 2013, at 8:35  a network switch serving  the North/West corner of the 3rd floor in TRSM failed to provide power to the phones. The network switch had to be rebooted repeatedly on Monday, September 16, 2013 … Continue reading →

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Network outage for POD: Friday, Sept. 13, 2013 7:35 AM – 8:30 AM

Posted on September 13, 2013 by michael

On Friday, September 13, 2013, between 7:35 AM and 8:30 AM,  a scheduled upgrade to the firewall appliance protecting the network in the POD building failed, causing a network outage to the Cashiers and Records & Registration offices. We apologize … Continue reading →

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Sharedata service outage: Wedn. Sept. 11, 2013 09:52 AM – 10:02 AM

Posted on September 11, 2013 by Casey Carvalho

The ‘sharedata’ server (which provides departmental shared folders) crashed at 9:52 AM, this morning, due a bug check.   Services were restored around 10:02 AM.   We are investigating the cause of the problem. Please accept our apologies for the disruption in … Continue reading →

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