DNS settings of a DHCP reservation revert to the settings at the scope level in Windows Server 2008 R2 and Windows Server 2012

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Article ID: 2782558 - View products that this article applies to.
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Symptoms

Consider the following scenario:
  • You have a Domain Name System (DNS) server that supports secure dynamic updates.
  • The Dynamic Host Configuration Protocol (DHCP) Server role is installed on a computer that is running Windows Server 2008 R2 or Windows Server 2012.
  • You click the DNS tab on the Properties dialog box for the DHCP server. Then, you click to select the Dynamically update DNS A and PTR records only if requested by the DHCP clients check box. This setting is applied at the server and scope level.
  • You create a DHCP reservation, and then you click the DNS tab on the Properties dialog box for the reservation. Then, you click to select the Always dynamically update DNS A and PTR records check box.
  • You click the General tab on the Properties dialog box for the reservation, and then you change the settings.

In this scenario, the DNS settings of the DHCP reservation revert to the DNS settings that you applied for the DHCP server at the scope level. Additionally, the DHCP server deletes and then recreates the reservation.

Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running Windows Server 2008 R2 Service Pack 1 (SP1) or Windows Server 2012.
For more information about how to obtain a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows Server 2008 R2

Registry information

To use the hotfix, you do not have to change the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows Server 2008 R2 and Windows Server 2012 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
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    VersionProductMilestoneService branch
    6.1.760 1.22xxxWindows Server 2008 R2SP1LDR
    6.2.920 0.20xxxWindows Server 2012RTMLDR
  • The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows Server 2012" section. MANIFEST files and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x64-based versions of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Dhcpmgmt.mscNot applicable146,69405-Nov-201001:55Not applicable
Dhcpsnap.dll6.1.7601.221563,582,97609-Nov-201205:28x64
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For all supported x64-based versions of Windows Server 2012
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File nameFile versionFile sizeDateTimePlatform
Dhcp.lnkNot applicable1,11409-Nov-201201:02Not applicable
Dhcpmgmt.mscNot applicable146,65406-Jul-201219:56Not applicable
Dhcpsnap.dll6.2.9200.205583,963,39209-Nov-201205:51x64
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Workaround

To work around the issue, install the update that is described in this article on the DHCP server.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More information

For more information about secure dynamic updates, please go to the following website:
General information about how to configure secure dynamic updates
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows Server 2008 R2 and for Windows Server 2012

Additional files for all supported x64-based versions of Windows Server 2008 R2
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File nameAmd64_55dd8470033d34c1ea1e63e54c3c1fb7_31bf3856ad364e35_6.1.7601.22156_none_88d9700038b50aae.manifest
File versionNot applicable
File size719
Date (UTC)12-Nov-2012
Time (UTC)13:20
PlatformNot applicable
File nameAmd64_microsoft-windows-d..ermanagementconsole_31bf3856ad364e35_6.1.7601.22156_none_db4b126cb12e054d.manifest
File versionNot applicable
File size14,901
Date (UTC)09-Nov-2012
Time (UTC)06:40
PlatformNot applicable
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Additional files for all supported x64-based versions of Windows Server 2012
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File nameAmd64_7cc50bcf07220eb1eee6c10b13c38c48_31bf3856ad364e35_6.2.9200.20558_none_43c0de74631e428c.manifest
File versionNot applicable
File size719
Date (UTC)09-Nov-2012
Time (UTC)16:28
PlatformNot applicable
File nameAmd64_microsoft-windows-d..ermanagementconsole_31bf3856ad364e35_6.2.9200.20558_none_d63c86962417f563.manifest
File versionNot applicable
File size16,688
Date (UTC)09-Nov-2012
Time (UTC)06:37
PlatformNot applicable
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Properties

Article ID: 2782558 - Last Review: December 12, 2012 - Revision: 3.0
Applies to
  • Windows Server 2008 R2 Service Pack 1
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Essentials
  • Windows Server 2012 Foundation
  • Windows Server 2012 Standard
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2782558

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