If you monitor DHCP routinely, you might want these statistics to be updated automatically. In the DHCP console, expand the node for the server you want to work with, right-click IPv4 or IPv6 as appropriate for the type of address you want to work with, and then click Properties. On the General tab, select Automatically Update Statistics Every and enter an update interval in hours and minutes.
It might be easier to drop your scope lease time really low, then delete all the dynamic DNS records and let them get re-created.
Well, I will also offer the nitty gritty below the summary for those who want to read. But DHCP will register its PTR (reverse entry) record.
Note: “This is a modified configuration supported for DHCP servers running Windows Server 2008 and DHCP clients.
In this mode, the DHCP server always performs updates of the client’s FQDN, leased IP address information, and both its host (A) and pointer (PTR) resource records, regardless of whether the client has requested to perform its own updates.” “With secure dynamic update, only the computers and users you specify in an ACL can create or modify dns Node objects within the zone.
By using the DHCP Server service, the process of configuring TCP/IP on DHCP clients is automatic.Secure Dynamic Update Updating DNS Resource Recordshttps://technet.microsoft.com/en-us/library/ff631099(v=ws.10)How to configure DNS dynamic updates in Windows Server 2003. Using DNS servers with DHCP (Contains information on the Dns Update Proxy group and its usage) (WS.10)=============================================================== The credentials only need to be a plain-Jane, non-administrator, user account. Make sure ALL other non-DHCP servers are NOT in the Dns Update Proxy group.In case your DHCP server is a standalone Windows Server 2012 server, you can use the local administrator account credentials to log on while making the above configurations in the DHCP server.Third preview version, "Technical Preview 3" was released on August 19, 2015.It does not support console login, either locally or via Remote Desktop Connection.The following sections provide information about new features and changes in functionality for DHCP.DHCP now supports options 118 and 82 (sub-option 5).If you're waiting on DNS scavenging, there's no fast way to do it.Just let it ride until you're seeing id 2501 events in the DNS Server event logs.I'm afraid that you're going to have to approach this from the client end.Changing the timeouts is only going to help clients the next time they check in, which is usually after half the existing lease time, or sometimes during boot.