Symptoms
User is prompted to login twice - one on SharePoint and another one when loading SmartForms
Diagnoses
User is prompted to login twice - one on SharePoint and another one when loading SmartForms
Resolution
To ensure that a user is prompted for login only once, you may check the following option on your browser:
Internet Options > Security > Select Local Intranet > Custom Level > Click User Authentication > Automatic logon only in Intranet zone