The SAML sign-out request failed because the encryption certificate for the claims provider trust is not valid.
The following are possible causes for this event:
The certificate has been revoked.
The certificate chain could not be verified as specified by the revocation settings of the encryption certificate for this claims provider trust.
The certificate is not within its validity period.
Note
You can use Windows PowerShell cmdlets for AD FS to configure the revocation settings for the claims provider trust's encryption certificate. For the specific setting, use the EncryptionCertificateRevocationCheck parameter of the Set-ADFSClaimsProviderTrust cmdlet.
The following are possible resolutions to this event:
Ensure that the claims provider trust's encryption certificate is valid and has not been revoked.
Ensure that AD FS can access the certificate revocation list if the revocation setting does not specify "none" or a "cache only" setting.
Verify your HTTP proxy server settings. For more information about how to verify your HTTP proxy server settings, see "Things to Check Before Troubleshooting AD FS" section in the AD FS troubleshooting guide..
Target | Microsoft.ActiveDirectoryFederationServices.2016.TokenAcceptance | ||
Category | ConfigurationHealth | ||
Enabled | True | ||
Event_ID | 374 | ||
Alert Generate | True | ||
Alert Severity | Warning | ||
Alert Priority | Normal | ||
Remotable | True | ||
Alert Message |
| ||
Event Log | $Target/Host/Host/Property[Type="Microsoft.ActiveDirectoryFederationServices.2016.FederationServer"]/ADFSEventLog$ |
ID | Module Type | TypeId | RunAs |
---|---|---|---|
DS | DataSource | Microsoft.Windows.EventProvider | Default |
Alert | WriteAction | System.Health.GenerateAlert | Default |
<Rule ID="Microsoft.ActiveDirectoryFederationServices.2016.TokenAcceptanceAuthorityEncryptionCertificateCrlCheckFailureRule" Enabled="true" Target="Microsoft.ActiveDirectoryFederationServices.2016.TokenAcceptance" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>ConfigurationHealth</Category>
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</Rule>