Event ID - 629

Event Id629
SourceMicrosoft-Windows-ADFS
DescriptionThe Federation Service encountered an error while loading the trust policy. The trust policy defines a custom claim whose name is unspecified. 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 if the trust policy file has been modified without use of the AD FS administrative tools. Correct the custom claim to to specify a name.
Event Information According to Microsoft :

Cause :

This event is logged when the Federation Service encountered an error while loading the trust policy.

Resolution :

Specify the custom claim name in the trust policy file

This claim error occurs only if the trust policy file has been modified without the use of the Active Directory Federation Services snap-in.

In the trust policy file, specify the custom claim name in the section CustomClaimName .

To perform this procedure, you must be a member of the local Administrators group, or you must have been delegated the appropriate authority.

To specify the custom claim name in the trust policy file:
  1. In Notepad or another text editor, open the TrustPolicy.xml file that, by default, is in %systemdrive%\windows\systemdata\adfs.
  2. Add the custom claim name to the customclaimname section.
Verify :

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 LinksEvent ID 629 from Source Microsoft-Windows-ADFS

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