Hi Team, We are in a Hybrid Environment ( Office 365 ), we have a user validation issue for a specific user, for a user, user name and display name in Local AD is "FirstName LastName" , however upon checking GAL it shows as "Firstname.Lastname". User displayname in MSO is "FirstName LastName, However in EXO it is "FirstName.LastName" , How do i ensure that the displayname between EXO AND MSO matches? Please suggest how do i go about addressing this problem. Thanks.