Windows Hello for Business Troubleshooting: The Complete IT Helpdesk Guide to PIN Errors, Cloud Kerberos Trust, and Hybrid Join (2026)
A 2026 helpdesk field guide for Windows Hello for Business: triage PIN errors (0xc000006d, 0x80090036), fix Cloud Kerberos Trust failures, resolve Intune CSP conflicts, and tame the 24H2 PRT regressions, with the exact PowerShell scripts that close tickets.