props.setProperty( "jndi.syntax.ignorecase", "true" );
        props.setProperty( "jndi.syntax.trimblanks", "true" );
        Name searchBaseDn = null;
        Name ctxRoot = new CompoundName( nameInNamespace, props );
        searchBaseDn = new CompoundName( baseDn, props );
        if ( !searchBaseDn.startsWith( ctxRoot ) )
        {
            throw new NamingException( I18n.err( I18n.ERR_648, baseDn ) );
        }
        for ( int ii = 0; ii < ctxRoot.size(); ii++ )
        {
            searchBaseDn.remove( 0 );
        }
        return searchBaseDn;