From time to time duplicate packages are seen in the CMDB. The package names are normally consistent and the package location can be the same for both UNC or local packages.
ITMS 8.x
The exact cause is not known but a potential example could be:
When creating the Software Resource with a Software Package the Management Platform user had to switch task for some reason. Returning to the SMP console to complete the task, the software Release creation page then fails because the session had timed-out or something may have happened on IIS server side.
The best practice is to complete the creation of the software resource, package and command line in a single session: