Now that we finally got it working, it is fine! It really does a good job now! It is pretty reliable.

Reliable, accurate the server handles multiple connections well

Goodsync can sync files between PCs or PC to cloud with no other software needed. Good auditing of all activity Option to keep multiple versions and deleted files It can run as a service

This tool has a very easy to use UI and enables users to take control of large sync tasks. In the latest version it's also possible to sync cloudbased storage (e.g. Onedrive). Scheduling synctasks is also very handy.

This software can do all things that you want for a sync software. Is very symple to use and to configure. Also work between web so this is a must!