Provide documentation on how to access Portal for ArcGIS when following the portal's security best practices in the event the Enterprise Login fails to authenticate access to Portal for ArcGIS.

Workaround

• Create a built-in portal administrator account from the command line.
• Use the ArcPy internal script to generate a token and update the portal’s configuration to allow ArcGIS logins from the [sharing/rest] endpoint.

Steps to Reproduce