6/15/12 4:58 PM. Often users see the following message in the log files: EOF stands for End-of-file and is a term typically used when tranmission of data ends prematurely. In Syncrify's speak this mean the message sent from Syncrify client to server or server to client did not get to the other end in its entirety./15/12 4:58 PM. Often users see the following message in the log files: EOF stands for End-of-file and is a term typically used when tranmission of data ends prematurely. In Syncrify's speak this mean the message sent from Syncrify client to server or server to client did not get to the other end in its entirety.