Network Discovery classifying devices as Unknown. If a device is discovered individually, it discovers the device successfully. If the device is included in a group or range, it is classified as Unknown.
A point-fix is available for this issue.
You can download the Point-fix attached to this document.
Steps to apply the Point-fix:
Log into the Notification Server as the Application Identity.
Copy the extracted files to a location on the NS.
Execute the PFInstaller.exe.
When complete, the point-fix has been applied.
Note: Services will be stopped and started during this process.