Saving Changes in QT Pro on a Samba share

Hi everybody,

i have huge problems with saving changes from a Mac (Mavericks) on a Mov-Container when the file is stored on a SMB- or AFP-Share on a Debian Server.

To be a bit more concrete:

I have a MOV-Container containing some AudioTracks which is stored on a Server with AFP or SMB (Debian Wheezy or Windows 2008 Server). When i want to change the channel-layout or other Metadata-Stuff i can´t save the changes. When i Press CTRL-S the Mac Error-Sound comes up.

I need to work with a Mac.

Does anybody have an idea, if the problem is on the Mac-Side or on specific Settings on the storage side.

Thanks in advance

Heiko