SAP Knowledge Base Article - Preview

2954035 - IAS error: Not supported attribute

Symptom

User is trying to login to an application through IAS, however the authentication is failing. The application login page is coming up after authentication in IAS.

In the Troubleshooting log, the following error is displayed:

message=Identity Provider could not process the authentication request received due to error on its own side.com.sap.security.saml2.lib.common.exceptions.SAML2ErrorResponseException: Not supported attribute.loginName

Meanwhile SAML trace has the following nameid-format:

<NameID Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress"><email_address></NameID>


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Environment

SAP Cloud Platform Identity Authentication Service

    Product

    Identity Authentication 1.0

    Keywords

    IAS, attribute, not supported, loginName, Not supported attribute.loginName , KBA , BC-IAM-IDS , Identity Authentication Service , Problem

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