AuthenticationFailed - Authentication failed for one of the following reasons: The subject name of the signing certificate isn't authorized A matching trusted authority policy wasn't found for the authorized subject name The certificate chain isn't valid The signing certificate isn't valid Policy isn't configured on the tenant Thumbprint of the signing certificate isn't authorized Client assertion contains an invalid signature
修改记录:Extracted official AADSTS table; Markdown stripped; short English error name selected; original Korean product context added. Official general diagnostic guide is distinguished from code-specific troubleshooting. Documentation license explicitly granted by README Legal Notices; repository LICENSE currently contains MIT terms, also retained as evidence. 译文说明已标注为自动翻译。