Immediately beachball by trying to open a former used file saved on Server via VPN using the file menu in InDesign CC2015 when VPN is unmounted - seen on different Macs. Fine with CC2014 - error message about a missing file - like expected.
Edit: not only a VPN-Server, same with e.g. missed NAS (Synology etc.)
Edit 2: it seem that this issue happens when a Doku is in the first line and the Server (path) is missing
OS X 10.10.3 and 10.10.4 Yosemite
Regards
Joerg