Log in to the Control Center Administration screen.
Select the appropriate account and farm from the left-hand side of the screen.
Click Pending Requests listed under the Farm Management Tools on the left-hand side of the screen.
Select the farm request that you wish to cancel or reject and click Cancel Request.
A confirmation dialog appears.
Click OK.
The following changes occur:
The farm state reverts to the previous state.
The lifecycle icon changes to Canceled.
The Request History displays Canceled