To modify the parameter values for stacks in a stack group, you can override the values specified in the stack group.

Prerequisites

A stack is created. For more information, see Create a stack group.

Procedure

  1. Log on to the ROS console.
  2. In the left-side navigation pane, click Stack Groups.
  3. In the upper-left corner, select the region where your stack group resides from the drop-down list.
  4. On the Stack Groups page, click the 1 icon in the Actions column corresponding to the stack group, and select Override Stack Group Parameters.
  5. In the Set Deployment Options step of the Override Stack Group Parameter Value wizard, set Accounts,Regions, Maximum Number of Concurrent Accounts, and Fault Tolerance, and then click Next.
    For more information about how to specify Maximum Number of Concurrent Accounts and Fault Tolerance, see Stack group deployment options.
  6. In the Specify Override Settings step of the Override Stack Group Parameter Value wizard, configure the override values of the parameters, and click Next.
  7. In the Check and Confirm step of the Override Stack Group Parameter Value wizard, click Override.
    In the left-side navigation pane, click Stack Groups. On the Stacks Groups page, click a stack group ID in the Stack Group Name column. On the stack group management page, click the Parameters tab to view stack group parameters.