Event ID 711 — Federation Service Malformed Requests
Applies To: Windows Server 2008 R2
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Federation Service Malformed Requests logs information about incorrectly configured or missing data values that reside in the trust policy, along with information about client cookie issues and sign-on issues.
Event Details
| Product: | Windows Operating System |
| ID: | 711 |
| Source: | Microsoft-Windows-ADFS |
| Version: | 6.1 |
| Symbolic Name: | SignInMessageContainsIncorrectlyFormattedData |
| Message: | A sign-in message was received that contains incorrectly formatted data. Format error: %1 This situation can be due to rogue clients; interoperability failure with non-Microsoft, single-sign-on software; or message tampering. User Action If you are using non-Microsoft federation software in your environment, verify that the federation software is compatible with AD FS. |
Resolve
Use compatible federation software with AD FS
If you are using non-Microsoft federation software in your environment, check that the federation software is compatible with Active Directory Federation Services (AD FS). For software to be compatible with AD FS it must comply with the WS-Federation Passive Requestor Profile (https://go.microsoft.com/fwlink/?LinkID=89387).
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 with the appropriate authorization.