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6. Setting Preferences for Systems
Auto-attaching subscriptions selects what subscriptions to attach to a system based on a variety of criteria, including current installed products, hardware, and architecture. It is possible to set two additional preferences for Subscription Manager to use:
- Service levels for subscriptions
- The operating system minor version (X.Y) to use
This is especially useful when autoattach is scheduled as a job, which runs daily to ensure that all installed products and current subscriptions remain active.
6.1. Setting Preferences in the UI
Both a service level preference and an operating system release version preference are set in the System Preferences dialog box in Subscription Manager.
- Open the Subscription Manager.
- Open the System menu.
- Select the System Preferences menu item.

- Select the desired service level agreement preference from the drop-down menu. Only service levels available to the Red Hat account, based on all of its active subscriptions, are listed.
- Select the operating system release preference in the Release version drop-down menu. The only versions listed are Red Hat Enterprise Linux versions for which the account has an active subscription.

- The preferences are saved and applied to future subscription operations when they are set. To close the dialog, click .

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