In case of DASH playback URL(mpd) with nDVR have some limitation. The details are explained below.
- You can use the DASH URL with ABR(Transcoding).
- You can use the DASH URL with a single bitrate stream along with nDVR.
- You cannot use the combination of the above-mentioned features. That is, The DASH URL will not work ABR stream with nDVR.
If you want to use the ABR stream with nDVR then you have to choose the HLS playback URL.