Hide “Sign in with an external account” from Dynamics 365 Portal

To hide the Sign in with an external account section from the Sign In and Register page of the portal.

Set the following site settings value to false à

Followed by Restart of the portal.

To add any additional JavaScript or HTML, for e.g. we wanted to disable the Email text box on the Register page,

Go to Portals à Content Snippets and create a new code snippet record

The output:-

The helpful post –

http://benitezhere.blogspot.ae/2018/01/hiding-sign-in-with-external-account.html

http://arpitmscrmhunt.blogspot.ae/2017/12/customise-registration-page-in-crm.html

Hope it helps..