Error Code: 80048163
When trying to log on with a federated user and receiving a Error Code: 80048163.
This happends if there has been changes to the ADFS Server Configuration and it haven’t been updated to Office 365.
Open PowerShell with WAAD Cmdlets and connect to your Office 365 tenant for updating federation trust:
Update-MSOLFederatedDomain –DomainName <Federated Domain Name>