How to reproduce:

• Create a user synchro definition
• Launch the synchronisation
  • The "user" data of each user content is well filled with corresponding login and population => OK
• Modify the user data of a synchronized user
• Launch the synchornization again
  • The user content that was modified is KO:
    • its data user still contains the previous modification
    • it has a new login data containing the login and population of the synchronization