"Microsoft Exchange Server Auth Certificate" 重建/更新SOP

 如果 Exchange Server OAuth 憑證已過期，便無法登入 Outlook 網頁版或 EAC

(Get-AuthConfig).CurrentCertificateThumbprint | Get-ExchangeCertificate | Format-List

Set-AuthConfig -NewCertificateThumbprint <ThumbprintFromStep1> -NewCertificateEffectiveDate (Get-Date)

Set-AuthConfig -PublishCertificate

Set-AuthConfig -ClearPreviousCertificate

Restart-WebAppPool MSExchangeOWAAppPool

Restart-WebAppPool MSExchangeECPAppPool

注意！此憑證生效大約需要近48小時才會完整部署到全AD環境