Auto MDM Enroll Failed (Event 76): A Read-First Intune Group Policy Auto-Enrollment Triage

When hybrid-joined Windows devices never show up in Intune and Event 76 says Auto MDM Enroll: Failed: read MDM user scope, licenses, dsregcmd join and PRT state, the GPO credential type, the EnterpriseMgmt scheduled task, and the error code before you dsregcmd /leave or delete enrollment keys.