Disable Dynamic Updates using dnscmd
dnscmd /config /UpdateOptions 0x80000000
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgT4iUNKDRCxwygqX5NB36J8IXlfiU2px5K4ka6UCecxgYCQ0dvd_ayqzjzPHqhyEqibua7q0LEvDCBbomxGxU6_2p2mc_9W8dyXslNu2PugFkTM_zF3yjCVHmK9p9vljfHKpKQJn8nCR2p/s320/dnscmd_disable_updateoptions.bmp)
To enable dynamic update of all the dns records,
dnscmd /config /UpdateOptions 0x0
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBEWS3Gk7AopZM2D3QkFF-BVo42wYFlbcfU0T1qj1nhAxGCenj_BGh84VrYJYIeiPkK8cO430d1xyuI_isGcuDsjeRQJ5TjmWkBbyaSCaSutJU9ZpOoAkp9Pn3qmxvJ5pdtkzaDcaV8he3/s320/dnscmd_enable_updateoptions.bmp)
To set dynamic updates to default, run
dnscmd /config /UpdateOptions 0x30F
Note: in default mode only SOA and zone root NS updates for secure zones is allowed.
To disable dynamic updates for SOA (Start of Authority) records in standard zone,
dnscmd /config /UpdateOptions 0x1
To disable dynamic updates for NS (name server) records in standard zone,
dnscmd /config /UpdateOptions 0x2
To disable dynamic updates for Delegation NS records in standard zone,
dnscmd /config /UpdateOptions 0x4
To disable dynamic updates for Server host A records.
dnscmd /config /UpdateOptions 0x8
To disable dynamic updates for SOA (Start of Authority) records in a secure zone,
dnscmd /config /UpdateOptions 0x100
To disable dynamic updates for NS records in a secure zone,
dnscmd /config /UpdateOptions 0x200
To disable dynamic updates for Delegation NS records in a secure zone,
dnscmd /config /UpdateOptions 0x400
To disable dynamic updates for A (address) records in the DNS server's own host record in secure zone
dnscmd /config /UpdateOptions 0x800
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