windows service. call vlc with a :sout=#file{...} option

[luffyx2]

Hello,
I have a strange problem when I want to capture to a file a stream (rtsp, http).
I have a windows service that creates a stream and I must to open it and capture it to a file.
I capture it with this options
:sout=#file{dst=d:\test.mp4} :sout-keep
The file is created but that's all. No data are written. The file size stays to 44 bytes.
I tried with a windows application to capture the same stream with the same vlc options and no problem the capture file grows up and I can read it after.


Do you have any idea concerning the problem encountered with the ":sout=#file{dst=d:\test.mp4} :sout-keep" options called in the windows service ?
Thanks