Specify DC Locator DNS records not registered by the DCs

This policy setting determines which DC Locator DNS records are not registered by the Net Logon service. If you enable this policy setting select Enabled and specify a list of space-delimited mnemonics (instructions) for the DC Locator DNS records that will not be registered by the DCs to which this setting is applied. Select the mnemonics from the following list:Mnemonic Type DNS RecordLdapIpAddress A Ldap SRV _ldap. _tcp. LdapAtSite SRV _ldap. _tcp. . _sites. Pdc SRV _ldap. _tcp. pdc. _msdcs. Gc SRV _ldap. _tcp. gc. _msdcs. GcAtSite SRV _ldap. _tcp. . _sites. gc. _msdcs. DcByGuid SRV _ldap. _tcp. . domains. _msdcs. GcIpAddress A gc. _msdcs. DsaCname CNAME . _msdcs. Kdc SRV _kerberos. _tcp. dc. _msdcs. KdcAtSite SRV _kerberos. _tcp. . _sites. dc. _msdcs. Dc SRV _ldap. _tcp. dc. _msdcs. DcAtSite SRV _ldap. _tcp. . _sites. dc. _msdcs. Rfc1510Kdc SRV _kerberos. _tcp. Rfc1510KdcAtSite SRV _kerberos. _tcp. . _sites. GenericGc SRV _gc. _tcp. GenericGcAtSite SRV _gc. _tcp. . _sites. Rfc1510UdpKdc SRV _kerberos. _udp. Rfc1510Kpwd SRV _kpasswd. _tcp. Rfc1510UdpKpwd SRV _kpasswd. _udp. If you disable this policy setting DCs configured to perform dynamic registration of DC Locator DNS records register all DC Locator DNS resource records. If you do not configure this policy setting DCs use their local configuration.

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Netlogon -> Parameters # DnsAvoidRegisterRecords

  2. The Administrative Template path is:

    System -> Net Logon -> DC Locator DNS Records


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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