AWS SDK Version 3 for .NET
API Reference

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Cancels the specified Capacity Reservation, releases the reserved capacity, and changes the Capacity Reservation's state to cancelled.

Instances running in the reserved capacity continue running until you stop them. Stopped instances that target the Capacity Reservation can no longer launch. Modify these instances to either target a different Capacity Reservation, launch On-Demand Instance capacity, or run in any open Capacity Reservation that has matching attributes and sufficient capacity.


For .NET Core this operation is only available in asynchronous form. Please refer to CancelCapacityReservationAsync.

Namespace: Amazon.EC2
Assembly: AWSSDK.EC2.dll
Version: 3.x.y.z


public virtual CancelCapacityReservationResponse CancelCapacityReservation(
         CancelCapacityReservationRequest request


Type: Amazon.EC2.Model.CancelCapacityReservationRequest

Container for the necessary parameters to execute the CancelCapacityReservation service method.

Return Value

The response from the CancelCapacityReservation service method, as returned by EC2.

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

See Also