160877: The subnetwork controller name already exists in the specified tier.

Description

The subnetwork controller name already exists in the specified tier. The subnetworks table contains multiple entries for the same subnetwork controller.

Solution

You can address the duplicates entries in the subnetworks table for the subnetwork controller by performing the following steps:

1. In a named version, remove the subnetwork controller assignment for the device.
2. Reconcile with the Default version.
3. Reset the device as a subnetwork controller in the named version.
4. Validate the network topology and save your edits.