MSA Synchronization Password Not Set

Hello:

Could anyone of you help me? I am new in MI and I am trying to synchronize a symbol PDA device where I have installed successfully the MobileEngine and the MSA application. But when I Select the Sync link into the MSA the system send me the following error:

$(Synchronization password not set) and does noting.

Where into the MSA application can this password being set?

Hope any of you guys can help me!!

Hugo Enrique