DLNA problem with manual cache

I have experiencing problem reaching dlna server in lan when I changing advancedsettings.xml file to set up
manual cache for kodi.
When I remove advancedsettings file everything is go back to normal

<advancedsettings>
  <network>
    <buffermode>1</buffermode>
    <cachemembuffersize>52428800</cachemembuffersize>
    <readbufferfactor>30</readbufferfactor>
  </network>
</advancedsettings>

What am I missing to force kodi to use manual set cache size and use dlna server?
Thank You