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Event ID: 1000 Source: Microsoft-Windows-DHCP-Server

The DHCP service received the unknown option <option>, with a length of <length>. The raw option data is given below.
As per Microsoft: "Dynamic Host Configuration Protocol (DHCP) uses options to pass additional Internet Protocol (IP) settings to DHCP clients on a network. Examples of DHCP options include:

- The default gateway IP address
- The Domain Name System (DNS) server IP address
- The DNS domain name

You can configure options for an entire server, a scope, or for a single reserved client. If the server does not recognize the options sent by the client, it ignores the options". See the link to "TechNet Event ID 1000 - DHCP Client Option Configuration" for more details.

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