This documentation supports the 21.05 (12.2) version of BMC Discovery.

To view an earlier version of the product, select the version from the Product version menu.

Troubleshooting BMC Discovery Outpost Nmap port scan failure

Port scanning from the BMC Discovery Outpost fails with the error: Error compiling our pcap filter: expression rejects all packets

The issue is being tracked by the Nmap developers as issue 2381.

You can workaround this error by disabling the Npcap loopback adapter. To do so, use Control Panel > Network and Internet > Network and Sharing Center > Change adapter settings

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