https://forums.autodesk.com/t5/autocad-forum/autocad-lt-2012-many-users-with-one-project-folder/m-p/5829755#M310908 <P>Is the problem prevalent in other programs? test it.</P> <P>&nbsp;</P> <P>One thing that can throw off the open files is how they are accessed. &nbsp;I think they need to be accessed either through a UNC connection or a mapped drive, sort of the same thing. &nbsp;</P> <P>And the file needs to be considered 'open' by the operating system, which depends on how the application reads it. &nbsp;For example, if you access a text file with Notepad, for example, and just open the file, Windows will not consider the file open due to how the application (Notepad) reads the file. &nbsp;The file has to be held open, per se.</P> <P>One way to simulate an open file, is to find a simple text file that is over a page long, and from a command prompt:</P> <P>type \\server\share\long_text_file.txt | more</P> <P>Then, use the Open Files function in Computer Management and you should see that you have that file open as the 'more' switch forces it to stay open. &nbsp;This is useful if you think you don't have the rights to see the open files or something isnt' working right.</P> Wed, 23 Sep 2015 15:36:35 GMT pendean 2015-09-23T15:36:35Z