Closed Workflow
Thought I would share this from one of our Distinguished Architects:
Although uncommon, but occasionally happens: Someone closed the workflows! This usually happens during or just after end user tr...
Forum Discussion
Thanks for this post, it's very useful!
On step 3, I don't think you necessary need all 3 groups to be set to admin to avoid this situation, it will depend on the specific WF configuration (i.e. if one can't sign-off a WF that requires certification, one won't be able to close it anyway...); but I agree that setting everything to Administrators is a decent default approach when in doubt.