Please update to the latest version of InDesign, Id 13.1 for the fix of the problem.
For Save on Windows Server: try Acronis Files Connect or formerly known as ExtremeZ-IP
We use ExtremeZ-IP.......
Sorry Barry seeing you face so many issues with InDesign. We are working towards making InDesign a more stable application and also fixing behavioural issues.
What would really help if you can submit any bugs/issues that you are facing along with the steps, this would help the team reproduce the issues internally. Please follow the below link to file Bugs for InDesign.