Hi all.
We have a huge number of workflows in use that were developed and are currently running in Knime Analytics Platform 4.3.0. We want to install 4.6.4 version and migrate all workflows in the new version.
I searched for documentation on this topic but found nothing relevant.
We need to have a clear migration roadmap, which includes the possibility to quickly rollback to 4.3.0 if something happens.
I ask for your support.
Thanks a lot
Cristina
Dear Cristina,
My usual approach is to first install KNIME from scratch in a separate folder, set it up as needed with extensions, settings, etc., and then point it to my workflows and get productive. 
In your case you may additionally wish to take a complete copy of your workflow repository as well, and point the new version at the copy (which then becomes the main version once it all works).
Best,
E
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