This topic describes how to modify a scaling rule. You can modify the parameters of a scaling rule based on your actual needs after it is created.


  1. Log on to the Auto Scaling console.
  2. In the left-side navigation pane, click Scaling Groups.
  3. In the top navigation bar, select a region.
  4. Find the target scaling group and use one of the following methods to open the details page of the scaling group:
    • Click the ID of the scaling group in the Scaling Group Name/ID column.
    • Click Manage in the Actions column.
  5. In the left-side navigation pane, click Scaling Rules.
  6. Find the target scaling rule and click Edit in the Actions column.
  7. Modify the parameters and click Edit Scaling Rule.

    For more information about the parameters, see Simple scaling rules, Target tracking scaling rules, Create a predictive scaling rule, and Step scaling rule.

    Note You cannot modify the Rule Type parameter for a scaling rule. In addition, you cannot modify the Run At parameter for a step scaling rule.