DualShield supports the following user name formats:
- sAMAcclountName
- User Principal Name (UPN)
- Down-Level Logon Name
sAMAccountName
The sAMAccountName attribute is a logon name used to support clients and servers from previous version of Windows, such as Windows NT 4.0, Windows 95, Windows 98, and LAN Manager.
User Principal Name
Down-Level Logon Name
References
https://learn.microsoft.com/en-us/windows/win32/secauthn/user-name-formats
https://learn.microsoft.com/en-us/windows/win32/ad/naming-properties