*Update*

The hardware upgrade is complete. Winter.AD.queensu.ca is functioning as normal. If users experience any issues with AD services, please contact the IT support centre at x36666.
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Previous Description (2016-08-22 08:38:43):

On Wednesday August 24th, from 4am -7am, the Active Directory Domain Controller, Winter.AD.queensu.ca will be unavailable due to a planned hardware upgrade. Winter provides Authentication, DNS and file share services to windows servers and PCs on campus, however there are 3 other servers that can be used while the system is down:

Alternate AD/DNS servers are:
Summer.AD.queensu.ca:130.15.242.57
Qu-ad01-prd.AD.queensu.ca: 10.28.30.57
Spring.AD.queensu.ca: 10.20.30.58

ITS will update this notice the day before the upgrade and when the upgrade is complete. Any questions regarding this change, please contact the IT Support centre.