Using High Volume GOP , We would like to Unschedule Order Promising server, Will it effect anywhere?

Summary:

We tested Internally and Observed most the transactions (On Hand, Transfer Orders,) is not having any Issues but Sourcing Rules , ATP if we configure New , the same are not reflecting Immediately

Content (required):

Customer expectation is there are using High Volume GOP, They would like to unscheduled the order promising server, Will it effect anywhere.

They have did some test cases most the transactions (On Hand, Transfer Orders,) is not having any Issues.

They have configured newly Sourcing rules and ATP rules but concern is those setups not reflecting Immediately.

Question:-

Using High Volume GOP , We would like to Unschedule Order Promising server, Will it effect anywhere ?