Grandfathered and exempted tables

  • Release version: Australia
  • Updated March 12, 2026
  • 2 minutes to read
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    Summary of Grandfathered and Exempted Tables

    Grandfathered and exempted custom tables are managed differently in your ServiceNow instance due to specific contractual entitlements. Understanding these distinctions is crucial for maintaining compliance with your organization’s ServiceNow contract and optimizing your table management strategy.

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    Key Features

    • Grandfathered Tables: These tables are associated with legacy subscription entitlements, preserving previous custom table rights during license migration. Once assigned, a grandfathered table cannot be reassigned or replaced.
    • Exempted Tables: These tables do not count against your subscription entitlements and typically include custom extensions of system tables, aiding operational improvements.

    Key Outcomes

    By effectively managing grandfathered and exempted tables, your organization can:

    • Maintain compliance with custom table entitlements even as subscriptions evolve.
    • Identify and map grandfathered tables to avoid potential entitlement losses.
    • Utilize exempted tables to enhance functionality without impacting subscription limits.

    To view grandfathered tables, use uacustomtableinventory.list and for exempted tables, use uaexemptedtableinventory.list in the filter navigator. For assistance, contact Customer Service and Support.

    Grandfathered and exempted custom tables are treated differently than other custom tables on your instance. Refer to your organization’s ServiceNow® contract for additional information.

    Grandfathered tables

    Depending on your organization’s legacy subscription entitlements and contractual migration, grandfathered tables might be allotted to your production instance. Grandfathered table entitlements enable preservation of your organization's previous custom table entitlements through license migration. This one-time process ensures that custom tables that currently exist in a production instance don't count against your new custom table entitlements.

    Grandfathered custom tables can't be transferred, reused, or otherwise classified as another custom table type. If you delete a grandfathered custom table, you can't classify any other custom table as a grandfathered custom table to take its place. Once a custom table has been associated with a grandfathered table subscription, it remains in the Custom Table Inventory even if the table is deleted from the instance.

    To view your grandfathered tables, enter ua_custom_table_inventory.list in the filter navigator, and then add a filter with the condition [Allotment type] [is] [Grandfather].

    If you have a combination of custom tables and grandfathered tables in one application, the grandfathered tables must be mapped to a grandfathered table subscription and the remaining custom tables to one other subscription. Reach out to Customer Service and Support for help mapping a grandfathered table to a grandfather table subscription.

    Grandfathered tables on an instance

    Scenario: Your organization purchases three new subscriptions with entitlements for a total of 55 App Engine Starter custom tables (formerly Bundled Custom Tables). To ensure your organization doesn't lose the previous custom table entitlements, a grandfather subscription with an entitlement for 25 grandfathered tables is allotted to your instance. This subscription requires the admin to identify and map the existing 25 tables. These subscriptions result in a total custom table entitlement of 80. Once a custom table has been assigned to the grandfather subscription there is no option to revert this.

    Table 1. Multiple subscriptions with grandfathered and custom table entitlements
    Subscription Number of custom table entitlements Number of mappable tables
    Grandfathered subscription 25 25
    New Subscription 1 25 25
    New Subscription 2 25 25
    New Subscription 3 5 5

    Exempted tables

    Exempted tables are custom tables that do not count towards your subscription entitlements. These tables consist mostly of custom extensions of certain system-related tables, such as sys_portal_page and sys_user_preference, that you extend for operational improvements in your production instance.

    To view a list of exempted tables, enter ua_exempted_table_inventory.list in the filter navigator.

    The Custom Table Guide legal schedule provides the complete definition of which tables are considered exempt.
    Note:
    Legal schedules are enforced based on when the contract is executed.
    To find past versions of the Custom Table Guide, see the Legal Schedules Custom Table Guide.