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Hi <@U029UCKPH88> you may be able to read this blog post to help you use aliases <https://www.pulumi.com/blog/cumundi-guest-post/|https://www.pulumi.com/blog/cumundi-guest-post/>

Thanks Paul I'll read this! :slightly_smiling_face:

I've had a read and trying but it seems Pulumi still wants to delete and create again.
Unless that's what it says, but it will just update the parent/child relationship?

what would the output of a `preview` look like when re-parenting?

I figured it out :slightly_smiling_face:
Had to set `NoParent *=* true` then preview showed no changes. Did an `up` and checking `pulumi stack` the resources are successfully re-parented

Interestingly, setting `ParentUrn` to the URN of the root stack did not work. I would have thought that's the same as saying "no parent". Anyhow it's all working

Can you remove the alias stuff after the first migratory `pulumi up`? Or does it have to exist thereafter?