The Palo Alto Networks device permits the use of duplicate Shared Service Object names if applied in a different vsys.
For example, the screenshot below shows:
HTTP (TCP port 8080,shared Object)
HTTP (TCP port 888,vsys Object)
Issue
The vsys Service Object has higher precedence than the shared one. The Vsys object overrides it in a specific vsys.
However, when an attempt is made to delete the duplicated Shared Service Object name in a rule (in which same name vsys Sevice Object is set), the error below appears:
1- Failed to delete Service - HTTP
HTTP cannot be deleted because of references from: