Can ESSO handle more than 1 user ID and password for each technical definition?
Can have multiple accounts and passwords for on application TD?
There is no configuration for this, you should only create an account for the same application thanks to ssoengine (SSOWatch).
You can even manage applications that contain more than one field, whether using a CustomScript window or even the other types [for example :
As soon as the application is detected, ssoengine will ask the user to choose the account to use to connect to the application in question.