Which option for the Constraints for Existing Permission field should the administrator choose to ignore the new role constraints?

Choosing "Do Not Modify" for the Constraints for Existing Permission field is the appropriate option when an administrator wants to ignore the new role constraints. This setting indicates that the existing permissions associated with a role should remain unchanged and not be affected by any new constraints being introduced.

When this option is selected, it allows the administrator to maintain the current setup of permissions, ensuring that any roles with established permissions remain intact and function as they originally were. This can be particularly useful in situations where an organization may have specific needs or regulations connected to the existing permissions that should not be altered, even as new constraints are introduced or roles are updated.

The other options would alter the existing permissions in some way. For instance, "Append" would add the new constraints to the existing ones, "Replace" would discard the current permissions in favor of new ones, and "Update" typically implies modifying existing permissions based on the new constraints. Therefore, these alternatives do not offer the same level of preservation for current permissions as "Do Not Modify" does.