| Event Id | 724 |
| Source | Microsoft-Windows-ADFS |
| Description | A client request to the Federation Service failed because the syntax of a Lightweight Directory Access Protocol (LDAP) attribute is different from the standard syntaxes that are defined in RFC 2252. This event can occur if the directory schema has been extended to new syntaxes. |
| Event Information | According to Microsoft : Cause This event is logged when the Federation Service encountered an error while loading the trust policy. Resolution Define a valid LDAP attribute If this is a valid attribute with a new syntax, extract this claim from a custom transform module instead, or define a valid Lightweight Directory Access Protocol (LDAP) attribute or existing syntax. Use an LDAP search tool such as Ldp.exe to verify that the attribute can be retrieved with an LDAP query. 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 Links | Event ID 724 from Source Microsoft-Windows-ADFS |
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