Please note : This help page is not for the latest version of Enterprise Architect. The latest help can be found here.

Lock Model Elements

This topic explains how to set a lock on a model object in User/Group Locking mode.

In Require User Lock to edit mode, the Apply a User lock process applies.



  • Project Browser | Package context menu | Lock
  • Project Browser | Diagram context menu | Lock
  • Project Browser | Element context menu | Lock
  • Diagram background context menu | Lock or
  • Diagram Element context menu | Lock

Use to:

  • Set an editing lock on a modeling object so that:
  • Nobody can edit the object
  • Only you can edit the object, or
  • Only a member of your user group can edit the object
  • Clear any editing lock on the object

How to:

To set a lock on an object in User/Group Locking mode, follow the steps below:



See also


Select the Lock option on the appropriate context menu

The Element Lock dialog displays



Select the radio button for the required option:

  • No lock - do not lock this object; clear any existing lock
  • Full lock - lock this object so that no-one can edit it
  • User lock - lock this object so that only the locking user can make further edits
  • Group lock - lock this element so that any member of the specified group can edit the object, but others are excluded



If you have selected the Group lock option, in the GroupID field click on the drop-down arrow and select the group that can edit the object



Click on the OK button



  • You must have Lock Objects permission to lock an element
  • If the item already has a lock, only the corresponding lock option and the No lock option are shown; you have to release the lock in order to set a different type of lock
  • If a diagram is locked and you select an object on it, the object border displays in red, indicating that you cannot change the object

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