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Allow dynamic updates

Updated: January 21, 2005

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

To allow dynamic updates

Using the Windows interface

  1. Open DNS.

  2. In the console tree, right-click the applicable zone, and then click Properties.

  3. On the General tab, verify that the zone type is either Primary or Active Directory-integrated.

  4. In Dynamic Updates, click Nonsecure and secure.

Notes

  • To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure. As a security best practice, consider using Run as to perform this procedure.

  • To open DNS, click Start, click Control Panel, double-click Administrative Tools, and then double-click DNS.

  • Dynamic update is an RFC-compliant extension to the DNS standard. The DNS update process is defined in RFC 2136, "Dynamic Updates in the Domain Name System (DNS UPDATES)."

Using a command line

  1. Open Command Prompt.

  2. Type:

    dnscmd ServerName /Config {ZoneName|..AllZones} /AllowUpdate {1|0}

 

Value Description

dnscmd

Specifies the name of the command-line program.

ServerName

Required. Specifies the DNS host name of the DNS server. You can also type the IP address of the DNS server. To specify the DNS server on the local computer, you can also type a period (.)

/Config

Required. Specifies the configuration command.

ZoneName|..AllZones

Required. Specifies the fully qualified domain name (FQDN) of the zone. To configure all zones hosted on the specified DNS server to allow dynamic updates, type ..AllZones.

/AllowUpdate

Required. Specifies the allow update command.

1|0

Configures dynamic update. To allow dynamic updates, enter a value of 1. To not allow dynamic updates, enter a value of 0.

Notes

  • To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure. As a security best practice, consider using Run as to perform this procedure.

  • To open a command prompt, click Start, point to All programs, point to Accessories, and then click Command prompt.

  • This procedure requires the Dnscmd Windows support tool. For information about installing Windows support tools, see Related Topics.

  • To view the complete syntax for this command, at a command prompt, type:

    dnscmd /Config /help

  • Dynamic update is an RFC-compliant extension to the DNS standard. The DNS update process is defined in RFC 2136, "Dynamic Updates in the Domain Name System (DNS UPDATES)."

Formatting legend

Format Meaning

Italic

Information that the user must supply

Bold

Elements that the user must type exactly as shown

Ellipsis (...)

Parameter that can be repeated several times in a command line

Between brackets ([])

Optional items

Between braces ({}); choices separated by pipe (|). Example: {even|odd}

Set of choices from which the user must choose only one

Courier font

Code or program output

Information about functional differences

  • Your server might function differently based on the version and edition of the operating system that is installed, your account permissions, and your menu settings. For more information, see Viewing Help on the Web.

See Also

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