In profile section user can update a password for Source connection ("Salesforce and Microsoft CRM") or Database connection.
profile: the profile as set in DBSync
options:
application.password=<<password>>
db.password=<<password>>
While using the command line in windows, parameter with equal (=) operator has to be enclosed in double quote (" ").
Example
Update application password (Salesforce and Microsoft CRM)
Update Database password
admin (.bat or .sh) chpwd <<profile>> <<options>>
Linux
./admin.sh chpwd myprofile application.password=abc
Windows
admin.bat chpwd myprofile "application.password=def"
Linux
./admin.sh chpwd myprofile db.password=abc
Windows
admin.bat chpwd myprofile "db.password=def"