# Service Group Configuration

A service group is a set of services that you assembled together under one name. Once you create a group containing several services, you can then apply services at the group level to policies, thus simplifying administration.

The NetScreen Service Group option has the following features:

- Each service group entry can be referenced by one or more service groups.

- Each service group can contain pre-defined and user-defined Service Book entries.

- Each service group can be referenced by other service groups, providing that a group referencing other groups does not include itself in the reference list.

- Service groups are subject to the following limitations:

- Service groups cannot have the same names as services. Therefore, if you have a service named "FTP," you cannot have a service group named "FTP".

- If a service group is referenced in a policy, you can edit the group but you cannot remove it until you have first removed the reference to it in the policy.

- If a custom Service Book entry is deleted from the Service Book, the entry is also removed from all the groups in which it was referenced.

- The static service ANY cannot be added to groups.

- A service can be part of only one group at a time.

### To Create a Service Group

1. Enter the necessary information:

Group Name: Enter a name for the service group.

Comment: (Optional) Enter any relevant information you want.

2. Proceed to select and move group members from the list of predefined and custom services.

Group members are located in the "Available Members" field.

To move each selection from the Available Members field to the Group Members field, click the << button between frames. You can remove group members by clicking the >> button.

3. Click OK to save your changes and return to the Service Group List.