Azure AD and Password Writeback to On-premise AD

Hi Joonas, here are the supported and unsupported operations for Admins. Basically, Admins can use Azure portal to reset a user password.

Supported Administrator operations

• Any administrator self-service voluntary change password operation
• Any administrator self-service force change password operation (for example, password expiration)
• Any administrator self-service password reset originating from the Password Reset Portal
• Any administrator-initiated end-user password reset from the Azure classic portal
• Any administrator-initiated end-user password reset from the Azure portal

Unsupported Administrator operations

• Any administrator-initiated end-user password reset from the Office management portal
• Any administrator-initiated end-user password reset from PowerShell v1, v2, or the Azure AD Graph API

For detailed reference you may visit this link.