My problem is when I use "Update references..." for uploading files to EPDM, the read-only files (in this case, any files that i marked "HARDWARE" state) have been checked out automatically although in the update references box, there is no checked out box. My permissions in EPDM is as administrator and my EPDM version is 2017. However I did not meet this problem when I used version 2014 with same administrator permissions . Could anyone help me point our what is my problem could be? Thanks so much for the support.