Canceling a stack update - Amazon CloudFormation
To cancel a stack update by using the consoleTo cancel a stack update by using the command line
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Canceling a stack update

After a stack update has begun, you can cancel the stack update if the stack is still in the UPDATE_IN_PROGRESS state. After an update has finished, you can't cancel it. You can, however, update a stack again with any previous settings.

If you cancel a stack update, the stack is rolled back to the stack configuration that existed before initiating the stack update.

To cancel a stack update by using the console

  1. From the list of stacks in the Amazon CloudFormation console, select the stack that's currently being updated. Its status must be UPDATE_IN_PROGRESS.

  2. Choose Stack actions and then Cancel update stack.

  3. To continue canceling the update, choose Cancel update. Otherwise, choose Cancel to resume the update.

The stack proceeds to the UPDATE_ROLLBACK_IN_PROGRESS state. After the update cancellation is complete, the stack is set to UPDATE_ROLLBACK_COMPLETE.

To cancel a stack update by using the command line