Idiom to say "with lowest impact"

We are changing a process in our company and I'd like to convey the message below to my clients. "We are trying our best to change this process without affecting dependent processes" . Is there a phrase or idiom I can use here to say that we are doing this process change with lowest impact to other processes?

Solution 1:

You don't need any fancy language.

Borrowing from two of your sentences I suggest

We are doing our best to make sure this change has the least possible impact on other processes.

Solution 2:

• We are looking for / believe we have come up with a magic bullet.

magic bullet [compound] noun

something that cures or remedies without causing harmful side effects:

• So far there is no magic bullet for economic woes.

[Dictionary.com]