Error:

One of your on-premises Federation Service certificates is expiring. Failure to renew the certificate and update trust properties within 13 days will result in a loss of access to all Office 365 services for all users. Update now

 

Resolution:

Follow the articles below in that order.

1. http://support.microsoft.com/kb/2713898 - On the On-Prem ADFS server, Scenario 1, only PS Commands

 Add-PSSnapin Microsoft.Adfs.Powershell
 Update-ADFSCertificate -CertificateType: Token-Signing

 

2. http://support.microsoft.com/kb/2647048 - Run the commands in this article.

 

 

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