DNS Reverse Lookup Zones

truongquyen 21 Reputation points
2021-01-13T07:57:06.41+00:00

Dear all,

I have a DNS Server using Windows 2012 R2, everything was ok before I deleting the records in Forward Lookup Zones and Reverse Lookup Zones, after that the records in Forward Lookup Zones has re-created automatically while in the Reverse Lookup Zone hasn't. The type of Dynamic-Update in both of Zone I set as "Nonsecure an Secure". I've tried to restart the DNS Service many times but the PTR still not automatically re-create the records.

I also selected "Always Dynamically Update DNS Records" in DHCP server.

Could you show me how?

Regards,

NTQ

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  1. Candy Luo 12,656 Reputation points Microsoft Vendor
    2021-01-13T08:41:45.373+00:00

    Hi ,

    Please refer to the following steps:

    1.Make sure you have set the following configuration:

    56148-image.png

    2.Add the DHCP server to DnsUpdateProxy security group.

    3.Configure DHCP Credentials.

    56221-image.png

    4.If the above steps still doesn't work ,check the box of Use this connection's DNS suffix in DNS registration on the DHCP client.

    56126-image.png

    Then see if PTR records can be automatically updated.

    For your reference:

    Dynamic DNS Updates & How to Get it to Work with DHCP, Scavenging, Static Entries & their Timestamps, the DnsUpdateProxy Group, and DHCP Name Protection

    Best Regards,

    Candy

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  1. truongquyen 21 Reputation points
    2021-01-14T08:11:54.36+00:00

    Hi Candy,

    Thanks so much for your support! I've tried this way:

    56126-image.png

    then found the PTR updated but I don't how we can fix this issue from server? I have many clients so I can not mark one by one.

    Tks,
    NTQ

  2. Candy Luo 12,656 Reputation points Microsoft Vendor
    2021-01-15T01:52:35.923+00:00

    Hi @truongquyen ,

    You can check the box of use this connection's DNS suffix in DNS registration via script, then push script via GPO to all domain computers.

    The example of the script or something along these lines: 

    $adapters = Get-WmiObject Win32_NetworkAdapterConfiguration -Filter "IPEnabled = 'True'"  
$adapters.SetDynamicDNSRegistration($true,$true)

    56932-image.png

    For your reference:

    How to Set DNS Suffix and Registration using PowerShell?

    Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

    If you have anything unclear about the script, you could open a new thread and we will continue to assistant you with the new thread.

    Best Regards,
    Candy

    --------------------------------------------------------------

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  3. truongquyen 21 Reputation points
    2021-01-15T03:53:22.167+00:00

    Hi Candy,

    I'll try!

    Tks so much!
    NTQ