A. From Active Directory Users and Computers, select the user accounts, and then modify the User
B. Run idfix.exe, and then use the Edit action.
C. From Active Directory Domains and Trusts, modify the list of UPN suffixes.
D. From Azure AD Connect, modify the outbound synchronization rule.
IdFix is used to perform discovery and remediation of identity objects and their attributes in an onpremises Active Directory environment in preparation for migration to Azure Active Directory. IdFix isintended for the Active Directory administrators responsible for directory synchronization with AzureActive Directory.Scenario: Active Directory IssueSeveral users in humongousinsurance.com have UPNs that contain special characters.You suspect that some of the characters are unsupported in Azure AD.