I'm glad that you were able to resolve your issue and thank you for posting your solution so that others experiencing the same thing can easily reference this!
- Since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others", I'll repost your solution in case you'd like to accept the answer.
Azure Active Directory Data Connector not in content hub I have set up many sentinel instances, but I have recently started building a personal one and the data connector for AAD is no longer there in the solution.
Based off your findings, you were able to see that the Azure AD Connector was removed and later re-added.
They removed the data connector and have added it back in the newer version!
- If I missed anything please let me know and I'd be happy to add it to my answer, or feel free to comment below with any additional information.
I hope this helps!
If you have any other questions, please let me know. Thank you again for your time and patience throughout this issue.