Sub-system web services role
Create accounts to be used as app pools. For more information, see the Creating accounts and groups topic.
Install Sitecore. For more information, see the Sitecore installation topic.
Configure Commerce Server. For more information, see the Commerce Server configuration topic.
Unpup the Commerce Server site. For more information, see the Creating the Commerce Server site topic.
You only need to unpu; the web service applications on this machine.
Configure Profile System Encryption. For more information, see the Configure encryption keys topic.
Update the web service application pools to use the service accounts.
Secure Commerce Server databases. For more information, see the Sitecore installation topic.