One single domain login user/pass can be used to access the your software.
And how SDS manages resources under Windows Active Directory Services.
Account Filter is filter for account name; mostly it is s AMAccount Name in windows.
And when user selects simple database login option from Login dialog, we can simply check against LOGIN table. If user/pass does exist in database then you will get the message "Login successful", otherwise "Login failed" message will be displayed. Directory Services searches the LDAP directory for a user object and validate that against groups.
User DN is organizational unit where user should exist.
Group Name is organizational unit, to which user should belong in order to access your software.
Directory Services (SDS) ADSI to access user and group in the Windows Active Directory.
Authenticate a user against the Active Directory using the user ID and password.