Rules are updated as part of the upgrade process for a utility network. If invalid rules are discovered during the upgrade, they will be excluded. The rule IDs and rule details are listed in the results of the Upgrade Dataset tool. <ID>: <Rule Type> [From feature class][To feature class].
For example: 3469: esriUNRTAttachment [StructureJunction.Manhole.Unknown][ElectricDistributionJunction.ConnectionPoint.Neutral Connection]
Learn more about the utility network upgrade history.
No action is required for the warning.
The rules mentioned in the warning will no longer exist in the upgraded utility network.