How to change conc workers for Concurrent Manager in R12.1.2

How to change the concurrent workers for a particular concurrent manager.

Currently I have 24 workers for the below conc manager


and now I want to bump it to 48. How do we do it?

see below.

log in into Ebiz -- Manage Conc Managers then Define.




search for the desired conc manager that you want to change the workers for.







for this conc manager click on work shifts.







now change this number to what ever you want to.



and save the change and confirm whether it applied.