FreeFileSync Forum

More on the last message: I access that disk with Administrator rights

Thanks for your answer Zenju. It shows the actual available space on that disk. It's an external one, which is also a media disk (SLNA) connected directly to a router.

I'm trying to create a mirror synchronization on an external 4 TB HDD. Although the disk is almost empty, each time I try to create the mirror image I get the message: Insufficient Disk space, total file size: 787 MB, available disk space 46 MB... On the disk there are at least 2.5 TB free ...