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The WDS server logs an event that has Event ID 519 when a WDS client performs a PXE boot in Windows Server 2008 R2

This article has been archived. It is offered "as is" and will no longer be updated.
Consider the following scenario:
  • You have a computer that is running Windows Server 2008 R2.
  • You install the Windows Deployment Services role on this computer.
  • A Windows Deployment Services (WDS) client performs a PXE boot.
In this scenario, a Boot Information Negotiation Layer service (Binlsvc) event that has the Event ID 519 and that resembles the following event is incorrectly added to the Application log:
Event Type: Error
Event Source: BINLSVC
Event ID: 519User: N/A
Computer: <computer name>
Description:Multiple machine accounts with the same GUID or MAC address were found in Active Directory Domain Services. The Windows Deployment Services server will use the first listed machine account.
MAC Address: <address>

List of matching machines:

There are no duplicated GUID or MAC addresses in the domain. However,the information in this event indicates that some duplicate GUID or MAC addresses are found in the domain.


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: 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.


To apply this hotfix, you must be running Windows Server 2008 R2 and have the Windows Deployment Services role installed.

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 English (United States) 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 7 and Windows Server 2008 R2 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 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 and for Windows 7" 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 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the event that has Event ID 519, visit the following Microsoft website: 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 7 and for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameAmd64_98222535d0364ae20efa92111125b9e4_31bf3856ad364e35_6.1.7600.20713_none_f04fc0c77c2b5d39.manifest
File versionNot Applicable
File size723
Date (UTC)17-May-2010
Time (UTC)19:37
PlatformNot Applicable
File nameAmd64_microsoft-windows-d..ervices-binl-server_31bf3856ad364e35_6.1.7600.20713_none_fa3569a96e398f23.manifest
File versionNot Applicable
File size36,016
Date (UTC)14-May-2010
Time (UTC)04:12
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size1,460
Date (UTC)17-May-2010
Time (UTC)19:37
PlatformNot Applicable

Article ID: 2028840 - Last Review: 12/12/2015 08:27:21 - Revision: 1.0

Windows Server 2008 R2 Datacenter, Windows Server 2008 R2 Enterprise, Windows Server 2008 R2 Standard

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