用戶端提供無效的登入加速器權杖做為證據。該權杖參照 AD FS 信任原則不信任的 X509 憑證。金鑰識別元欄位包含憑證指紋。對於那個帳戶夥伴，請確認 Federation Service 的信任原則的驗證憑證清單中包括該憑證。

The client presented an invalid logon accelerator token as evidence. The token referenced an X509 certificate that is not trusted by the AD FS trust policy. The key identifier field contains the certificate thumbprint. Verify that the certificate is included in the list of verification certificates in the Federation Service's trust policy for that account partner.