Unable to redirect to Platform UI Page from /sp in Custom URLinstance - Support and Troubleshooting

Unable to redirect to Platform UI Page from /sp in Custom URLinstance Issue When we remove the /sp in Custom URL, instance Page is not getting redirect to Platform UI.

Cause If the custom URL is same as the instance URL, users will be redirected to the service portal selected in the custom URL configuration irrespective of the roles

Resolution Please remove the service portal field value in Custom URL configuration.

Custom URL setup https://docs.servicenow.com/bundle/quebec-platform-administration/page/integrate/authentication/task/configure-custom-url.html