CREATE PROCEDURE [dbo].[NES_GetADGroupMembers]
    (@groupName VARCHAR(max))
AS
BEGIN
    CREATE TABLE #MemberOfGroups
    (
         groupName varchar(400),
         cn varchar(400),
         displayName varchar(400)
    )

    SET NOCOUNT ON

    DECLARE @t varchar(100), @t2 varchar(1000),
            @ot varchar (4000), @tt varchar (4000);

    DECLARE gC CURSOR FOR
        SELECT cn, distinguishedName
        FROM openquery (ADSI, 'SELECT cn, distinguishedName
                               FROM ''''LDAP://Mydomaindomain/CN=users,DC=Mydomain,DC=com''''
                               WHERE objectCategory = ''group''')

    OPEN gC

    FETCH NEXT FROM gC INTO @t, @t2

    WHILE @@FETCH_STATUS = 0
    BEGIN
        SET @ot = '''SELECT cn, displayName
                   FROM ''''LDAP://Mydomaindomain/CN=users,DC=Mydomain,DC=com''''
                   WHERE objectCategory = ''''Person'''' AND objectClass = ''''user''''
                     AND memberOf=''''' + @t2 + '''''';

       SET @tt = 'select '+ ''''+@t+'''' +' As groupName, cn, displayName from openquery(ADSI,'+ @ot +''') order by cn'

       INSERT INTO #MemberOfGroups (groupName, cn, displayName)
           EXEC (@tt)

       FETCH NEXT FROM gC INTO @t, @t2
    END

    CLOSE gC
    DEALLOCATE gC

    SELECT
        groupName, displayName
    FROM
        #MemberOfGroups