Open the [Group Settings] window following the following procedure.
Click the [Environment Settings] button on the [Web Site Management] window
->Click the [Grouping] button

Click the [Grouping] button below Server field. The following window appears.

The following explains the settings for the HTTP1_1/HTTP1_2 of the HostA1/HostA2.
Setting item  | Examples of settings  | Contents of settings  | 
|---|---|---|
Group name  | Group1  | Specify the entry name for the group of servers. The specified name is used to indicate the group in each function window.  | 
Component server  | Select the HTTP1_1 of the HostA1, and the HTTP1_2 of the HostA2.  | Check the checkboxes of the servers from the server list of the servers that composed the server group.  | 
Also set the HTTP2 of the HostA1/HostA2. Similarly.
See
For the settings about the group, refer to "14.1.4 Group Settings window".