We are planning to upgrade to 4.7. During the upgrade we don't want users to create new instances or take actions on open instances. Is there a way, we can disable user access to K2 workflow, forms etc.?
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Disable user access during upgrade

Best answer by tin
Start Rights can be removed from the workflows in question. When doing so, workflow will not be started and users may be presented with an error indicating they do not have Start rights on workflow when they try to submit a form that would start a workflow:
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