Understand Azure AD password write-back

Q. How does Azure AD password write-back function based on different types of synchronization and federation?

A. Azure AD enables end-user password self-service reset. There is a great document at https://azure.microsoft.com/en-us/documentation/articles/active-directory-passwords-learn-more/ which walks through the details of how the password write-back works. There are essentially three scenarios based on if a user if Azure AD based, synchronized from on-premises AD and if federated. Below is a summary.