Office 365 – Error “one of your on-premises Federation service certificates is expiring…”


In order to resolve this issue follow this steps :

1. Open PowerShell and type

  • Get-PSSnapin –Registered


  • Add-PSSnapin Microsoft.Adfs.Powershell
  • Update-AdfsCertificate –Urgent


2. Open Microsoft Online Services Module for Windows PowerShell and type

Connect-MsolService(Enter your cloud admin credentials)

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