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custom_canvas_user_id not consistent?

Question asked by Michael Gorham on Feb 23, 2017
Latest reply on Apr 9, 2017 by chofer@morainepark.edu

Our LTI is dependent on several custom variables.  Today we noticed that the custom_canvas_user_id changed for a user.  On May 20, 2016 she used our LTI for the first time and the custom_canvas_user_id param came across as 72070000000000176.  Today and it came across as 176 which caused us to create a duplicate account.

 

What's going on here?  We were under the assumption the custom_canvas_user_id is a globally unique field that never changes.

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