Regarding the Conditional Access depreciation, can we get a detailed, step by step end user experience document so users and admins know what to expect? To date, no one seems to know what the experience will be like?  Does a user re-register?  Is it seamless?  

Also, when enabling the device management, are credentials needed for EntraID/intune after saving or since the connection was already established does it just complete?

I performed my migration this morning - you'll need to provide Admin Consent to your tenant similar to the original Conditional Access registration.  

Edit - are you asking about the switch in Jamf? or the user's end?

Perfect, thank-you. The switch in Jamf Settings for Device compliance.

Out of curiosity, what is the end user's experience after running the migration script?

End user experience was (for me) the same as it's always been. I've had some scripts and EA's checking for AAD enrolled status for a few years. My test box that I force removed from Intune got my regular prompt to have users enroll. Basically a pop up to complete enrollment in Intune.  The Jamf migration script contains this 

Which just pops open the Company Portal app like usual.

And if you were already in compliance with our CA rules, it just kept that with no alert to the end user.

I would check out the guide and script here https://github.com/benwhitis/Jamf_Conditional_Access/wiki/MacOS-Conditional-Access-Best-Practices 
For the end user, warn they might get an authentication pop up on or a few days after the change is made, set expectations that the log in seen is legit. For many of our users the gatherinfo ran in the background and they saw nothing.

Hi @Tony_A, 

Thanks for this request! The below tech document outlines how admins can simplify the end user experience during the migration process. Please reply if you have additional questions. 

https://jamf.service-now.com/kb_view.do?sysparm_article=KB0118052

Thanks! 

@TravisC 

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Last but not least, Microsoft and Jamf will be extending the Partner Device Management API (PDM) deprecation and removal date. To ensure all customers can successfully migrate, Conditional Access will now deprecate on 31 January 2025.

Thanks for your information.

Why didn't we hear about this important information by e-mail? (Your post is 10 days old and not every customer reads Jamfnation regularly).

We had a Jamf support case because we could not activate the Jamf Cloud Services due to the proxy bug ( a requirement for device compliance migration). After this was resolved with a firewall change, we were assured by Jamf that the actual device compliance migration was not affected by the proxy issue and therefore we should not expect any problems.
Unfortunately, the migration got stuck with a “Connection Error” and we had no Intune Connector configured over the weekend. (a new support case was opened)
Only now have we learned that we actually have much more time for this migration and therefore would not have carried out this migration at all.
We have now rolled back to the previous legacy Intune Connector, which (so far) has worked without any problems and, above all, without any user interaction.

Jamf knew from our last support case that we were affected by this problem. We would have expected Jamf to proactively inform us (any customers) about this issue. ☹