When you create a Job, the default username is u and the default password is p. You can change this in the Change Job Options dialog box.
To change the username and password for a Job
Right-click the Job in the tree, then click Change Job Options. The Change Job Options dialog box appears.
In the User Name box, provide the new username.
In the Password and Retype the Password boxes, provide the new password.
Click OK to save the changes.