It should work, but you would either need a set of credentials which is common across all systems (which isn't a best practice) or you would have to change credentials for each deployment task to each system.
diwan, It can be done assuming you have administrative rights to install software. Please follow these steps:
1. Go to System Tree and browse to the folder (or create a new one) where you want those systems to be in.
2. Click on "New Systems" button and you should see something like this screen:
Add all of your systems in "Target Systems". Then enter credentials.