The windows command prompt openfiles command can be useful for viewing the openfiles used by the system.

Errors

When trying to use the following syntax openfiles /local

You get the error message,

              The system global flag 'maintain objects list' is currently disabled

This can be resolved via the following,

openfiles /local on

Viewing open files on a remote system

openfiles /query /s [server_name] /u [domain]\[username] /p [password]