18.2 Actions to be taken when a device cannot be found
This section describes what actions to take when a device cannot be found after device discovery is executed.
Devices that meet any of the conditions below will not be found. If there is a device that meets any of the conditions, take the necessary actions so that the device no longer meets that condition, and then execute discovery again.
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The device is not included in the discovery range that was specified in the search conditions.
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The credentials (ID or community name) that were specified in the search conditions are invalid.
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The device is powered off.
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The device is not connected to the network.
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NAPT is being used.
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ICMP messages cannot get through due to Windows Firewall settings or router settings.
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The device is a virtual PC, and the IP address is being shared.
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The device is a virtual PC, and the private network is being shared.