OneDrive for Business 0x8004de40 sign-in error troubleshooting for VPN users: appears after password reset
When you reset your Microsoft 365 password and connect through a VPN, OneDrive for Business may show error 0x8004de40 at sign-in. This error means OneDrive cannot reach the authentication servers or refresh your cached credentials. The VPN can interfere with the token renewal process that a password reset triggers. This article explains why the error … Read more