Question:
What is the default root password for the Citrix Enterprise Layer Manager (ELM) via console for App Layering (Unidesk)?

Answer:
The default username and password sets for App Layering (Unidesk) are as follows:

root (via the ELM virtual appliance console - two possible defaults): v9Yx*6uj     OR     Unidesk1 
administrator (via the ELM virtual appliance console): Unidesk1
administrator (via the management web console): Unidesk1

***Please note that once you log into the Management console for the first time on 4.x, you will be prompted to change these passwords for your security. Make sure to document these.***