For each service in the list shown, specify the external or internal server names that users will use to connect to the %BRAND_EXCHANGE_ONLINE_SHORT% ...

For each service in the list shown, specify the external or internal server names that users will use to connect to the %BRAND_EXCHANGE_ONLINE_SHORT% server. For example, for %BRAND_OUTLOOK_SHORT% Web App accessed from the Internet, you might specify owa.contoso.com. For %BRAND_OUTLOOK_SHORT% Web App accessed from the Intranet, you might specify CAS.corp.contoso.com. These domains will be used to create the SSL certificate request. Select Next.