The following table lists the differences in the System.DirectoryServices programming elements when you use them to program for ADAM. For more information about the programming element, click the element name.
| Programming element | Difference |
|---|---|
| [ADS_OPTION_ENUM](/windows/win32/api/iads/ne-iads-ads_option_enum) enumeration |
Two values, [ADS_OPTION_PASSWORD_PORTNUMBER](/windows/win32/api/iads/ne-iads-ads_option_enum) and ADS_OPTION_PASSWORD_METHOD, added to facilitate the setting of passwords.[!Note] |
| [ADS_PASSWORD_ENCODING_ENUM](/windows/win32/api/iads/ne-iads-ads_password_encoding_enum) enumeration |
Enumeration added to facilitate the setting of passwords.[!Note] |
| [DirectoryEntry](Http://go.microsoft.com/fwlink/p/?linkid=83868) class |
[Path](Http://go.microsoft.com/fwlink/p/?linkid=83867) property includes a port number to specify an ADAM instance. For more information, see [LDAP ADsPath](/windows/win32/adsi/ldap-adspath). |
| [IADsUser::ChangePassword](/windows/win32/api/iads/nf-iads-iadsuser-changepassword) and [IADsUser::SetPassword](/windows/win32/api/iads/nf-iads-iadsuser-setpassword) methods |
Before using these methods, you must use the [IADsObjectOptions::SetOption](/windows/win32/api/iads/nf-iads-iadsobjectoptions-setoption) method to set port number ([ADS_OPTION_PASSWORD_PORTNUMBER](/windows/win32/api/iads/ne-iads-ads_option_enum)) and method (ADS_OPTION_PASSWORD_METHOD).[!Note] |
| [IADsAccessControlEntry::get_Trustee](/windows/win32/adsi/iadsaccesscontrolentry-property-methods) and IADsAccessControlEntry::put_Trustee methods |
ADAM security principal names use a string security identifier (SID) rather than a friendly name.[!Note] |
| Miscellaneous | The WinNT, NDS, and NWCOMPAT providers do not apply for ADAM. |