*Update*

Problems with resolution of delegated subdomains are being fixed, including business.queensu.ca and ad.queensu.ca.
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Previous Description (2010-08-23 11:02:47):

On Wednesday August 25th at 6am ITServices will be updating our DNS (Domain Name Server) systems. End users may experience a brief outage at which time domain names will not be resolvable between 6am and 7am.

The change should not affect users directly. However if you notice that websites ending in queensu.ca appear to be inaccessible then please contact the IT Support Centre at 533-6666.