The AccountType property contains flags describing the characteristics of Win32 user account: UF_TEMP_DUPLICATE_ACCOUNT - ...

The AccountType property contains flags describing the characteristics of Win32 user account:
UF_TEMP_DUPLICATE_ACCOUNT - Local user account for users whose primary account is in another domain. This account provides user access to this domain, but not to any domain that trusts this domain.
UF_NORMAL_ACCOUNT - default account type that representing a typical user. 
UF_INTERDOMAIN_TRUST_ACCOUNT - account is for a system domain that trusts other domains.
UF_WORKSTATION_TRUST_ACCOUNT - This is a computer account for a Windows NT/Windows 2000 machine that is a member of this domain.
UF_SERVER_TRUST_ACCOUNT - account is for a system backup domain controller that is a member of this domain.