Symptoms
After deploying a new workflow, live instances do not use the new version. Instead, they continue to use the previous process version(s). How do you move these to the newest version of the process?
Diagnoses
N/A
Resolution
This is possible using the Live Instance Management API:
https://help.nintex.com/en-US/k2blackpearl/devref/4.7/default.htm#Live_Instance_Management.html%3FTocPath%3DRuntime%2520APIs%2520and%2520Services%7CWorkflow%7CWorkflow%2520Management%2520API%7CLive%2520Instance%2520Management%2520(LIM)%7C_____0
If you do not want to develop your own solution, you can use a tool located on the K2 Community site that utilizes this API:
Please note that as the solution above is community-sourced, it is not an officially supported utility.