Loads all available Active Directory users. 

This method can be accessed through the ActiveDirectoryUser.asmx file located in:

~/Workarea/webservices/WebServiceAPI/User/ActiveDirectoryUser.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "GetAvailableADUsers", Description = "")]
public UserData[] GetAvailableADUsers(object Attributes, object Filter, string OrderBy, string Domain);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "GetAvailableADUsers", Description = "")>
Public Function GetAvailableADUsers(Attributes As object, Filter As object, OrderBy As string, Domain As string) As UserData()