Hi @Anonymous,
I am seeing this kind of question more frequently. This is still an unsupported configuration to my knowledge. Here is an AKN Article that describes errant behavior on networks.
As a test, you might try adding the Box Sync folder to the Support File Search Path in Options. I would be wary though as I am uncertain how BOX synchronization occurs and how often. It is not like writing directly to a Windows Server share.
Please select the Accept as Solution button if my post solves your issue or answers your question.
John Vellek
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