| Event Id | 628 |
| Source | Microsoft-Windows-ADFS |
| Description | The Federation Service encountered an error while loading the trust policy. The trust policy defines a claim whose format is not valid. Claim type: %1 Claim value: %2 If this error occurs during startup of the Federation Service, the Federation Service will be not be able to start, and all requests to the Federation Service will fail until the configuration is corrected. If this error occurs while the Federation Service is running, the Federation Service will continue to use the last trust policy that was loaded successfully. User Action This error should occur only if the trust policy file has been modified without use of the AD FS administrative tools. Correct the claim so that it has the proper format. |
| Event Information | According to Microsoft : Cause : This event is logged when the Federation Service encountered an error while loading the trust policy. Resolution : Correct the claim value with the proper format This claim error occurs only if the trust policy (trustpolicy.xml) file has been modified without the use of the Active Directory Federation Services snap-in. Correct the value in the claim name so that it is in the proper format. Do not use special characters as part of the claim name. To perform this procedure, you must be a member of the local Administrators group, or you must have been delegated the appropriate authority. To check the claim name values in the trustpolicy.xml file:
Verify that you can access the Active Directory Federation Services (AD FS)-enabled application from a client browser and that the resource can be accessed. |
| Reference Links | Event ID 628 from Source Microsoft-Windows-ADFS |
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