"The trust relationship between this workstation and the primary domain failed."

Getting the error

"The trust relationship between this workstation and the primary domain failed."

Try …

Fix 1 - "The trust relationship between this workstation and the primary domain failed." – Workgroup/AD – Windows 10
https://support.microsoft.com/en-us/help/2771040/the-trust-relationship-between-this-workstation-and-the-primary-domain

Fix 2 - "The trust relationship between this workstation and the primary domain failed." – GPO – Windows Legacy
https://blogs.technet.microsoft.com/reference_point/2012/11/22/the-trust-relationship-between-this-workstation-and-the-primary-domain-failed/

Fix 3 - "The trust relationship between this workstation and the primary domain failed."
Test-ComputerSecureChannel -repair -credential domain\user
https://docs.microsoft.com/en-us/powershell/module/Microsoft.PowerShell.Management/Test-ComputerSecureChannel?view=powershell-4.0

Fix 4 - "The trust relationship between this workstation and the primary domain failed."
Reset-ComputerMachinePassword –server <DCname> -credential <DOMAIN\User>
https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.management/reset-computermachinepassword?view=powershell-5.1

References

https://4sysops.com/archives/repair-the-domain-trust-relationship-with-test-computersecurechannel/

Multi Factor Authentication in SharePoint

MFA

Publishing SharePoint with Windows Server 2012 R2 Web Application Proxy
https://blogs.msdn.microsoft.com/sambetts/2014/12/10/publishing-sharepoint-with-windows-server-2012-r2-web-application-proxy/

SharePoint Server and Web Application Proxy – continued
https://blogs.msdn.microsoft.com/sambetts/2015/07/01/sharepoint-server-and-web-application-proxy-continued/

ADFS

Configure Additional Authentication Methods for ADFS
https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/operations/configure-additional-authentication-methods-for-ad-fs

Beginners Guide to Claims-based Authentication, AD FS 3.0, and SharePoint 2013 – Part II: Installing and Configuring AD FS 3.0

http://info.summit7systems.com/blog/beginners-guide-to-claims-based-authentication-ad-fs-3-0-and-sharepoint-2013-part-ii-installing-and-configuring-ad-fs-3-0

more from the cloud engineer

http://thecloudengineer.blogspot.com/2011/12/adfs.html

AD User Profile Replication

Configure SharePoint to sync work phone number from SharePoint Profile

Reference http://blogen.siderys.com/2010/04/synchronization-user-profile-in-active.html