If you experience an issue where a user gets a temporary pin code and then changes the pin in the keybox everything works fine for now, but after a while, the pin code reverses back to the original temp pin code.
There is a bug in the firmware that causes the Keywin 5 synch engine to re-write the original pin code every time the synch performs a full sync. (when the cabinet is supposed to get updates, new users, changed groups etc).
The fix is to replace a file in the synchronization engine.
Follow the link to download the file, and to get the howto: description: Pin code fix