Error "Cannot extract required information from IDCRL header" Connecting to SharePoint List
Published: 08 Mar 2018 Last Modified Date: 09 Jan 2020
When trying to connect to a SharePoint List, the following error may occur:
Client unable to establish connection Cannot extract required information from IDCRL header, Header=, IdcrlType=, ServicePolicy=, ServiceTarget=, Endpoint=
Work with your IT team to verify that the correct Edition is selected in the SharePoint Lists connector dialog box: it should be On Premise if the above error occurs when the Authentication method is Username and Password.
If the Authentication method is Third-party SSO, verify that a supported third-party SSO product is used.
The incorrect Edition is selected in the SharePoint Lists connector dialog box, or an unsupported third-party SSO product is used.
The third-party SSO products that are currently supported with the SharePoint Lists connector are OneLogin and Okta.