Only Environment editors can create and approve temporary Environment-wide maintenance windows. To create a maintenance window override, navigate to the Environment page and select Create maintenance override from the Actions dropdown.
Once you select that, the override creation form will open up.
Any user with access to the Environment can create a temporary Entity-specific maintenance window. Approvers for such maintenance windows depend on the type of maintenance window:
You can create a temporary Entity-specific maintenance window by navigating to the Entity home page and selecting Create maintenance override from the Actions dropdown.
This will open the override creation form.