Answer / inder09

A reference user is, like the service user, a general
non-person-related user. You cannot use a reference user to
log on. A reference user is used only to assign additional
authorizations. You can specify a reference user for a
dialog user for additional authorization on the Roles tab page

Answer / ashwin mane

Reference user is not a interactive user (login not
possiable.) Use of Reference is along with a diaglog to
allow user some specific Authoriztion for limited period.

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