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When attempting to upload the Identity Provider metadata into the Appian Admin Console as part of setting up SAML, the error "No EntityDescriptor found. IdP metadata must include one <EntityDescriptor> element" is displayed.
"No EntityDescriptor found. IdP metadata must include one <EntityDescriptor> element"
Salesforce can act as both a Service Provider and an Identity Provider in the context of a SAML exchange. In order to configure SAML in Appian, the Identity Provider metadata must be uploaded into the Admin Console. The error is generated when instead, the Service Provider metadata is uploaded into the Admin Console.
To confirm that the incorrect file is being uploaded, check the metadata XML file for the existence of an SPSSODescriptor element. If this element is present, download the appropriate Identity Provider file from Salesforce and upload this file to the Admin Console instead.
SPSSODescriptor
This article applies to all version of Appian using Salesforce for SAML authentication.
Last Reviewed: January 2020