I have filled out the linked form (twice) to signup to the preview features. I have haven't had any response. Is the preview still open for registration?
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Thanks for your comment. We are actively looking into it and will get back to you shortly.
We are onboarding customers in waves. There are quite a lot of sign-ups so it's taking some time to burn down this list, but we should have most, if not all, of the signups onboarded in February.
@alex-frankel No worries. Thanks for letting me know.
As there are no further documentation changes , we will close the issue for now. Kindly revert if you have further questions.
Drew - can you share the email you used to sign up? I am not seeing it in my list
Found it! Thank you. We are going to try to onboard you tomorrow
Thanks Alex, much appreciated. We are keen to test & contribute!
Hi @alex-frankel,
I signed-up the first time around 2 weeks ago and I just did it today again just in case but every time I tried the example commands in the https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/template-deploy-what-if link I get a blank response.

Is there anything else I have to do? I really want to try this.
Thank you!
Hi @JCPuerto - we will be making this public in the next 2-4 weeks in the Az module by default, but I will get you added to the private preview in the meantime.
Hi @alex-frankel,
I signed up for the ARM Template Private Previews (What-If and DeploymentScripts).
I'm getting a blank response as well but I guess that's because I haven't been added to the private preview, can you please add me to the private preview as well?
Thank you!
Hi @HammadKamran - there is going to be a public preview release of the module on powershell gallery on 4/7. I might recommend waiting until that happens to start using what-if. If you need it earlier, I can onboard you today.
You should have access to the DeploymentScripts private preview. Can you give it a try? Docs are here: https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/deployment-script-template?tabs=CLI
Hi @alex-frankel,
If you would be kind enough to get me onboard that early then it would save me loads of time trying to search for alternative ways to differentiate between 2 different versions of ARM templates. I'm trying to find ways to do that so that I can configure e.g. Logic Apps to be deployed to a new RG only if it has been modified. Open to ideas and suggestions :)
I will try to access the DeploymentScripts private preview and let you know ASAP.
Thank you!
I just added you.
You want to compare two undeployed ARM templates? Or compare one already deployed to an updated one? If it's the latter than What-If should be helpful.
@HammadKamran I was running into the same empty response issue. I uninstalled all my previously installed Az.Resources modules, reinstalled the preview version then restarted PowerShell. That seems to fixed my issue.
@zhusulai thanks i'll give it a try.
@alex-frankel Trying to compare one already deployed to an updated one. I'll try it out after updating the Az module to the latest preview version. Thanks.