Copy-Item Protocol? This topic contains 0 replies, has 1 voice, and was last updated by Forums Archives 5 years, 5 months ago. Author Posts January 1, 2012 at 12:00 am #5214 Forums ArchivesMember by kittH at 2012-10-19 09:09:56 Does anyone know exactly what Copy-Item uses for file transfers? I can't find any information, I assume it's a version of SMB but not sure which. by DonJ at 2012-10-19 09:44:32 Server Message Blocks (SMB). Version depends on the client and server OS; they negotiate the highest common version. Author Posts You must be logged in to reply to this topic.