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How can PRTG get an device name automatically ?

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I found that the device name has been entered automatically when I added an device with auto-discovery.

How can PRTG get the name automatically?

Which protocol does it use when searching for the device?

auto-discovery device hostname name

Created on Nov 25, 2019 8:40:08 AM by Jonathan_Jung (8) ●2



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Hey Jonathan,

to get the DNS name, PRTG simply performs a reverse lookup via the nslookup command. There is no other "magic" behind.

For details, please check the Name Resolution section here.

Best regards,
Sven Roggenhofer [Paessler Technical Support]

Created on Nov 25, 2019 9:57:15 AM by Sven Roggenhofer [Paessler Technical Support]



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Hi, Sven Roggenhofer.

Does PRTG only use DNS ?

I found that PRTG got the device names automatically even though I don't set an DNS Server in NIC IP settings.

Thanks & Regards.

Created on Nov 26, 2019 3:02:44 AM by Jonathan_Jung (8) ●2



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Hey Jonathan,

basically PRTG asks Windows to resolve the name directly. Here a reverse-lookup and eventually also a NETBIOS name resolution takes place. This is then reported back to PRTG.

Best regards,
Sven Roggenhofer [Paessler Technical Support]

Created on Nov 26, 2019 11:38:08 AM by Sven Roggenhofer [Paessler Technical Support]



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