*Update*

At this time performance appears to be restored. We do not anticipate any continued slowness today, but please understand that systems may return to a slower state while we continue to patch the affected systems.
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Previous Description (2014-07-11 10:27:39):

*Update*

ITServices is working with the vendor and will applying the appropriate updates to affected systems immediately. During this period you should expect continued slowness.

Also, please note the system slowness also affects Library catalogue (QCat).
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Previous Description (2014-07-11 08:17:52):

We are experiencing some problems with a backend system that is causing applications to run slowly and at times appear not to respond. We are currently working on the problem.

Some systems that are affected:
Peoplesoft access
Moodle
Email
Queen's main web site