it turns out that there is a memory leak on the dhcp service when DDNS is enabled on that Server.
UPDATE 2016: I have posted a much simpler way that works with DNS delegations so that you can have your domain controllers maintain the records necessary for their discovery in Microsoft DNS, while all your clients are in a BIND DNS server which can be easily interfaced with ISC DHCPd.
If you are not the system administrator, you will need to contact the administrator for this access information.
When you use Smart Viper Public DNS, you are changing your DNS ‘connectivity’ from your existing ISP to Smart Viper Public DNS.
This may be useful for granting users access to the internet by remotely updating their registry to know which DNS servers to use. If adapter is configured to use DHCP server, then exact name is not "Name Server" but "DHCPName Server". If there are several network adapters in computer, then location of "Name Server" as you have written is incorrect.
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An estimate of the time required to complete each procedure is also provided.
Time required to complete procedures will vary depending on the resources available to the Hyper-V host and assigned to VMs, such as processor speed, memory allocation, disk speed, and network speed.
For purposes of this test lab, we will only add the prerequisite . Commerical applications (ex: Microsoft Office) will not be added to the deployment share.
For information about adding applications, see the Add applications section of the Create a Windows 10 reference image topic in the Tech Net library.
ISC DHCPd is capable of Dynamic DNS updates against servers like BIND that support shared-key authentication or any other server that supports unauthenticated updates (such as BIND or Microsoft DNS with secure updates disabled).
So, what to do if you want to run ISC DHCPd on your Windows network, which is obviously running Microsoft’s DNS server?
If you do not understand or not sure what IPv4 means service will work for you just fine. Before you make any changes on your DNS settings for the Smart Viper Public DNS, WRITE DOWN your current server addresses/settings on a piece of paper.