This function allows you add Active Directory groups to the CMS. 

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

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

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "AddADGroupToCMS", Description = "")]
public void AddADGroupToCMS(object GroupPaths);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "AddADGroupToCMS", Description = "")>
Public Function AddADGroupToCMS(GroupPaths As object) As void