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I notice on one Windows 2008 R2 DHCP server the device with the first IP in the range has a strange looking Unique ID of the format

636333652e356639322e326262332d445c458e41258s23148914e1554654566661636531

And the DNS name HP.domain.local

See screenshot. Does anyone know what this is and why it doesn't show a standard MAC for the unique ID? DHCP Screenshot

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1 Answer 1

up vote 5 down vote accepted

Split the string in pairs and convert hex to ascii, you will get cc3e.5f92.2bb3-Vlan-interface1, it is most probably one of your HP switches registering.

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