Integration with Other Applications > Windchill Workgroup Manager Documentation > NX > PDM Actions in NX > Locking and Unlocking Objects in the Workspace > Behavior of files locked in the Workspace and opened in an NX Session
  
Behavior of files locked in the Workspace and opened in an NX Session
NX
When an NX file is locked in the Workspace, the Read Only flag is displayed in the NX session. A message regarding the No Write access is displayed when a Save operation is performed.
When a File is modified and locked in the Workspace
When a file has already been modified in session and is then locked in the workspace, the message “Documents <Filename> are already modified in session” is displayed in the Windchill Workgroup Manager client message area. When this occurs, you can still edit the file, and upon Save, the conflict window shown below appears, and the file will be checked out locally.
The Check Out and Check In options can still be performed, and the file can be saved, modified, and uploaded. When changes are complete, the file should be checked out and then checked in to save the changes to Windchill.