Trying to configure an Appian cloud environment on 19.2 with SAML SSO for single sign on with an on premise MS ADFS 2.0 identity provider deployment as described by this article https://docs.appian.com/suite/help/19.2/SAML_for_Single_Sign-On.html.
When testing the appian saml IdP configuration by clicking test configuration button the identity provider endpoint page is opened but indicates an error occurred but no detail presented in web layer. In the windows adfs event log this is captured:
System.Xml.XmlException: ID4262: The SAML NameIdentifier 'xxxxx' is of format 'urn:oasis:names:tc:SAML:2.0:nameid-format:entity' and its value is not a valid URI.
where xxxx was the value I entered in the SAML IdP service provider configuration page. I used the domain name for appian deployment per the documentation suggestion o use Appian host name, so it was like xxx.appiancloud.com. Does it strictly need to be URI formatted name like "http://..."?
I plan to make changes to strict URI and retest but was curious to post the question regardless to see if anyone has seen this error and might now if there is configuration changes which could be made on ADFS side to fix the issue.
Thanks.
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