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renew the certificate on the DHCP server
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which operating system? do you have a CA Server?
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which operating system? do you have a CA Server?

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There is no relation between certificate and DHCP IP leasing.<br />
If your subdomain clients are unable to get DHCP IP lease, you need to check on network level (Router \ switch, check if IP helper is enabled there)<br />
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If you are getting certificate warning on DHCP server, its due to some certificate on dhcp server local store is might be getting expired or about to expire, it hasn't do any thing with IP lease
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There is no relation between certificate and DHCP IP leasing.
If your subdomain clients are unable to get DHCP IP lease, you need to check on network level (Router \ switch, check if IP helper is enabled there)

If you are getting certificate warning on DHCP server, its due to some certificate on dhcp server local store is might be getting expired or about to expire, it hasn't do any thing with IP lease

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DHCP does not broadcasts dynamic IPs with clients of the sub-domain only receiving static? &quot;certificate for local system with thumbprint 57 11 C0 17 06 ba 2e 8a a5 12 aa 7e o5 el ac eb f0 da a2 ab is about to expire or expired? &quot;,appears under Application &nbsp;event logs on the dhcp?
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DHCP does not broadcasts dynamic IPs with clients of the sub-domain only receiving static? "certificate for local system with thumbprint 57 11 C0 17 06 ba 2e 8a a5 12 aa 7e o5 el ac eb f0 da a2 ab is about to expire or expired? ",appears under Application  event logs on the dhcp?

DHCP does not broadcasts dynamic IPs with clients of the sub-domain only receiving static?

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DHCP allows for computers to be configured automatically to communicate with each other over an IP network without the need for manual setup by a network administrator. The implementation of DHCP relies on a DHCP server to hand out network configuration information to DHCP-capable clients that request an IP address (and other information required or useful in communicating with other devices on an IP network). In addition to an IP address, common configuration information served over DHCP includes a default gateway, subnet mask and DNS sever(s).

DHCP

The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.