Active directory dhcp not updating dns

Machines join the LAN and get lease but still DNS not being updated.

AD appears to be working fine - I can add machines and they are duly replicated.

This is NOT a criticism or a complaint just a tip for you to obtain better help.

"Saibot75" If "Secure only Updates" are being used (they should be) the DHCP server might not be authenticating, or it might not be using the correct DNS server set (ONLY), or it might not be a member of the DNSUpdate Proxy groups, or better be using the correct DNS Update credentials with a valid and current password.

I will forward your tips to our system administrators and hope they NOW are able to solve our problem... Kind regards, Tobias Olofsson ONLY if you don't use "Update Credentials" (a regulary user account with non-expiring password).

I just want to find a way to let the Linux DHCP clients securely update their own records in Windows AD.

As a side info perhaps helpful, when examining the audit log in the dhcp subdirectory, for a complete week, not a single DNS update is made. Best regards, Tobias Olofsson Tip: If you add you own problems to someone else's thread there is a lower probability of receiving help.

Especially when you do it over a month after the last post.

Clients on site A or B are getting leases from only the legitimate servers.

I've checked I then disabled DHCP on Server B just in case.

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