Microsoft dns ptr records not updating dating an asian tips

I set this back to 7 days, in an attempt to give DNS a chance to 'catch up' before the addresses potentially changed again, but we're still getting incorrect DNS entries.This might be an issue, maybe someone with more knowledge can elaborate.

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DC1 has DNS servers setup as itself and DC2 (primary and secondary)DC2 has DNS servers setup as DC1 and itself (primary and secondary) Do you have an account set up as proxy for the DHCP server to register users?

The DHCP service needs some valid way to tell the DNS server to update the records.

A DHCP lease should renew itself halfway through the lease.

So in your case, DHCP update would renew it's lease every 3.5 days, triggering a DNS refresh.

Dynamic updates are set to Secure Only, and Aging is 2 hours no-refresh, 6 hours refresh intervals.

Under the SOA tab, the refresh interval is 15 minutes, retry is 10, and the expiration is 1 day. There are no DNS events in the log which suggest that something is set up wrong.Scavenging appeared to be configured, but not actually working.I mentioned this and got 'Yeah, we know.'So I decided to do some poking around.I did a bit of reading and discovered that the group should have DNS computer accounts in, if the zones are configured to only be updated securely - which they were. I am forever getting incorrect / outdated lookups when connecting to machines.I also read that a service account should be configured to carry out the zone updates - which I have now done. Our domain's zone is configured as an AD-Integrated zone with replication to all DNS servers in the forest.I also read that a service account should be configured to carry out the zone updates - which I have now done. The Dns Update Proxy group should contain the computer accounts of your DHCP servers, so DC1 and DC2 in your case.

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