Microsoft Login Error

1. Navigate into office 365
2. Admin
3. Azure active directory
4. Users
5. Search for the employee's name having login error
6. Devices
7. Enable the device on which server he's log on

1. Navigate into office 365
2. Admin
3. Azure active directory
4. Users
5. Search for the employee's name having login error
6. Devices
7. Enable the device on which server he's log on