NBNS queries - How to find ancient and dead links

By donallsop ·
Running Wireshark on our network, I see one of the machines trying to resolve the name "ISATAP" by NBNS. That's not a machine on our network and has never been, as far as I know. I've tried searching for all the .lnk files on that machine and checking their properties, and nothing is referring to "ISATAP". Also checked the registry, no reference to "ISATAP". Does anyone know another way to find out where that query is coming from? Thanks.

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by ThumbsUp2 In reply to NBNS queries - How to fi ...

ISATAP is the Intra-Site Automatic Tunnel Addressing Protocol; it is used for automatic deployment of IPv6 in IPv4 sites. ISATAP specifies an IPv6-IPv4 compatibility address format as well as a means for site border router discovery. ISATAP also specifies the operation of IPv6 over a specific link layer - that being IPv4 used as a link layer for IPv6.

Type ISATAP into your favorite search engine. Hundreds of links come up, one being a white paper right here at TR:

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Thanks, but I don't understand...

by donallsop In reply to re: ISATAP

Why would a machine be looking for that as a NETBIOS name?

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