We use ADFS 3.0 on Windows Server 2012 R2. If our users sign-in with their username and password, they need to authenticate on an additional authentication provider (SMS).
On the top of this site is written "Welcome, DOMAIN\SAMACCOUNTNAME" (e.g. "Welcome, contoso\priatha"). The users use only their Userprincipalname to login, the samaccountname is unknown for the users and different to the samaccountname.
How can I modify this string to use the displayname instead of samaccountname?
E.g. "Welcome, John Dear"
Thanks for your support.