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Network_Padawan

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Remote DHCP release and renew

I have over 100 pcs scattered across multiple buildings. I have migrated servers and have changed the DHCP server to a new server and have assigned the DNS server to a new server.

Heres the issue, 192.168.10.8 (DC and DNS server) needs to be demoted. 192.168.10.202 is new DNS server and DHCP server.

All pcs are still holding onto lease with old DNS server lookup so I cant remove 192.168.10.8 from network yet.

Other than cycling past every machine and doing manual release and renew, is there a better way to do this, a remote way?

How can I force all machines on this site to renew its DHCP lease?
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lruiz52
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Why should you release/renew? You can't have two DHCPs in the same subnet, so I assume you've already transferred this task to the second server. If you have two DHCPs, act quickly and shut down one of them :)

Regarding DNS, just change the settings on the DHCP server and define expiration for IP renewals. After expiration all requests go directly to new DNS server and you can demote old one.
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Network_Padawan

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Thanks guys, lruiz52 provided the answer I was looking for.