Hi all,   Our IT support team have posted about this already with no response, so I'm going to try again with a little more detail.   We have 7 iMacs, OSX 10.12.6, running Vectorworks 2017, SP5, and previously all files were accessed over a local network from a Mac Server. We were having intermittent issues with file access permissions that we could never quite resolve on all machines at once, so we took the plunge and have switched to Windows 2016 server.   Using t