DNS server stops responding to DNS queries from client computers in in Windows Server 2003, in Windows Server 2008 or in Windows Server 2008 R2

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Article ID: 2655960 - View products that this article applies to.
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SYMPTOMS

The DNS Server service on a DNS server that is running Windows Server 2003, Windows Server 2008 or Windows Server 2008 R2 intermittently does not respond to DNS queries from client computers. When this issue occurs, the DNS server stops responding.

CAUSE

This issue occurs because the DNS Server service enters an infinite loop when the DNS Server service generates a DNS response. The infinite loop occurs if the DNS Server service encounters an offset that points to the previous location that the DNS Server service was checking.

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 Web site:
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.

Mainstream support for Windows Server 2003 ended on July 13, 2010. A hotfix for this issue exists but is not publicly available. Please review the Microsoft Support Lifecycle policy.

Extended Support

The Extended Support phase follows Mainstream Support for Business and Developer products.
At the supported service pack level, Extended Support includes:
  • Paid support
  • Security update support at no additional cost
  • Non-security related hotfix support requires a separate Extended Hotfix Support Agreement to be purchased (per-fix fees also apply)
Please note:
  • Microsoft will not accept requests for warranty support, design changes, or new features during the Extended Support phase
  • Extended Support is not available for Consumer, Hardware, or Multimedia products
Please contact Microsoft Support for information on how to obtain the hotfix.

Prerequisites

To apply this hotfix, you must be running one of the following operating systems:
  • Windows Server 2008 Service Pack 2 (SP2)
  • Windows Server 2008 R2 Service Pack 1 (SP1)
Additionally, you must have the DNS Server role installed.

For more information about how to obtain a Windows Server 2003 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
889100 How to obtain the latest service pack for Windows Server 2003
For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
968849 How to obtain the latest service pack for Windows Server 2008
For more information about how to obtain a Windows 7 or 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 7 and for Windows Server 2008 R2

Registry information

To apply the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You do not have to restart the computer after you apply this hotfix. To avoid restarting, stop the DNS Server service.

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 file information notes
Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" 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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.600 2 . 22xxxWindows Server 2008SP2LDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008" section. MUM files and 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 x86-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cache.dnsNot Applicable3,17909-Sep-201111:25Not Applicable
Dns.exe6.0.6002.22758510,97619-Dec-201114:05x86
Dnsserver.events.xmlNot Applicable60909-Sep-201111:25Not Applicable
For all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cache.dnsNot Applicable3,17915-Nov-201115:04Not Applicable
Dns.exe6.0.6002.22758638,97619-Dec-201114:25x64
Dnsserver.events.xmlNot Applicable60915-Nov-201115:04Not Applicable
Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, only "Windows 7" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7" 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:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 1.21xxxWindows Server 2008 R2SP1LDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. MUM and 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
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cache.dnsNot Applicable3,19805-Nov-201001:52Not Applicable
Dns.exe6.1.7601.21879698,36817-Dec-201106:20x64
Dnsserver.events.xmlNot Applicable60905-Nov-201001:52Not Applicable

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 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

Additional files for all supported x86-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameX86_130a386c3e77ee0be889d2ec60cc1851_31bf3856ad364e35_6.0.6002.22758_none_1c49122c4d0b45a5.manifest
File versionNot Applicable
File size706
Date (UTC)20-Dec-2011
Time (UTC)05:48
File nameX86_microsoft-windows-dns-server-service_31bf3856ad364e35_6.0.6002.22758_none_5047f7f2ecf9cac5.manifest
File versionNot Applicable
File size163,376
Date (UTC)19-Dec-2011
Time (UTC)16:25
Additional files for all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameAmd64_0b0f25f6b8df1108392f63689a016ff6_31bf3856ad364e35_6.0.6002.22758_none_a16c3bb6f2918dba.manifest
File versionNot Applicable
File size710
Date (UTC)20-Dec-2011
Time (UTC)05:48
File nameAmd64_microsoft-windows-dns-server-service_31bf3856ad364e35_6.0.6002.22758_none_ac669376a5573bfb.manifest
File versionNot Applicable
File size163,418
Date (UTC)19-Dec-2011
Time (UTC)16:39

Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_8233f1f83901b9d9b648f65d02f5bd23_31bf3856ad364e35_6.1.7601.21879_none_d26f396b4087a056.manifest
File versionNot Applicable
File size710
Date (UTC)18-Dec-2011
Time (UTC)00:45
File nameAmd64_microsoft-windows-dns-server-service_31bf3856ad364e35_6.1.7601.21879_none_ac79ad66067de3bd.manifest
File versionNot Applicable
File size158,131
Date (UTC)17-Dec-2011
Time (UTC)07:59

Properties

Article ID: 2655960 - Last Review: July 11, 2012 - Revision: 3.0
APPLIES TO
  • Windows Server 2008 Service Pack 2, when used with:
    • Windows Server 2008 Datacenter
    • Windows Server 2008 Datacenter without Hyper-V
    • Windows Server 2008 Enterprise
    • Windows Server 2008 Enterprise without Hyper-V
    • Windows Server 2008 Foundation
    • Windows Server 2008 Standard
    • Windows Server 2008 Standard without Hyper-V
    • Windows Web Server 2008
  • Windows Server 2008 R2 Service Pack 1, when used with:
    • Windows Server 2008 R2 Datacenter
    • Windows Server 2008 R2 Enterprise
    • Windows Server 2008 R2 Foundation
    • Windows Web Server 2008 R2
    • Windows Server 2008 R2 Standard
  • Microsoft Windows Server 2003 Service Pack 2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseinter KB2655960

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