Create and Delete Service Applications
Service applications can be created in one of two ways. There are advantages and disadvantages to each method.
Running the Farm Configuration Wizard The wizard automates the creation of service applications. Using the wizard has the advantage of being fast and simple, but the wizard will assign all service applications to one application pool with a single service account. The wizard will also create all the service databases using an automatic naming convention, which includes a GUID in the name.
Manually Creating Each Application This approach is more time consuming than using the wizard but offers you greater flexibility in configuring and naming the applications.
Creating a Service Application
You can ...