- Knowledge Base
- Email and Office 365
This troubleshooting guide provides steps for resolving Microsoft 365 sign-in issues that may occur following the AHC tenant merger, including the error "Sign-in was successful but you do not have permission to access this resource." It includes browser-based fixes for Chrome and Edge, mobile account reset procedures for iPhone/iPad and Android devices, and guidance on when to contact the ITS Help Desk for additional assistance.