Article ID: 2864237 - View products that this article applies to.
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Symptoms

When a duplicate IP address is detected in a Windows Multipoint Server 2012 environment, user sessions are logged off unexpectedly.

Cause

This problem may occur because Windows Multipoint Server 2012 uses Remote Desktop IP Virtualization to assign a unique IP address to each user when users log on. If DHCP cannot provide a unique IP address within the time frame that is allocated for the request, Windows Multipoint Server 2012 does not try again to do this. Instead, it assigns a non-unique IP address to the user session. Therefore, you may detect duplicate IP addresses.

Resolution

This hotfix is also available at Microsoft Update Catalog.

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, go to 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

You must have Windows Multipoint Server 2012 installed on Windows Server 2012 to apply this hotfix.

Restart information

You must restart the computer after you apply this hotfix.

Replacement information

This hotfix does not replace any previously released hotfix.

File information

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The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2012 file information notes

Important Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" 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 8" 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
    6.2.920 0.16xxxWindows Server 2012RTMGDR
    6.2.920 0.20xxxWindows Server 2012RTMLDR
  • 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 2012" 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 2012
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File nameFile versionFile sizeDateTimePlatform
Tsmsiprxy.dll6.2.9200.1638412,80026-Jul-201203:07x64
Tsmsisrv.dll6.2.9200.16384109,56826-Jul-201203:07x64
Tsvipcli.dll6.2.9200.2079347,10409-Aug-201308:01x64
Tsvipool.dll6.2.9200.1638430,72026-Jul-201203:07x64
Tsvipsrv.dll6.2.9200.20793164,35209-Aug-201308:01x64
Tsmsiprxy.dll6.2.9200.1638410,24026-Jul-201202:27x86
Tsmsisrv.dll6.2.9200.1638492,67225-Jul-201223:58x86
Tsvipcli.dll6.2.9200.2079338,91209-Aug-201301:45x86
Tsvipool.dll6.2.9200.1638427,13625-Jul-201223:34x86
Tsvipsrv.dll6.2.9200.20793131,58409-Aug-201301:44x86
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Status

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

References

Additional file information

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Additional files for all supported x64-based versions of Windows Server 2012
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File nameAmd64_982551a8f0a6485915f00896d33e0a56_31bf3856ad364e35_6.2.9200.20793_none_12ad54aeef7ab615.manifest
File versionNot Applicable
File size1,094
Date (UTC)09-Aug-2013
Time (UTC)16:34
PlatformNot Applicable
File nameAmd64_microsoft-windows-t..-tsappsrv-component_31bf3856ad364e35_6.2.9200.20793_none_c81bea1c956a5676.manifest
File versionNot Applicable
File size18,156
Date (UTC)09-Aug-2013
Time (UTC)16:34
PlatformNot Applicable
File namePackage_1_for_kb2864237~31bf3856ad364e35~amd64~~6.2.1.0.mum
File versionNot Applicable
File size2,096
Date (UTC)09-Aug-2013
Time (UTC)16:34
PlatformNot Applicable
File namePackage_for_kb2864237_rtm~31bf3856ad364e35~amd64~~6.2.1.0.mum
File versionNot Applicable
File size1,466
Date (UTC)09-Aug-2013
Time (UTC)16:34
PlatformNot Applicable
File nameX86_microsoft-windows-t..-tsappsrv-component_31bf3856ad364e35_6.2.9200.20793_none_6bfd4e98dd0ce540.manifest
File versionNot Applicable
File size18,152
Date (UTC)09-Aug-2013
Time (UTC)16:34
PlatformNot Applicable
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Properties

Article ID: 2864237 - Last Review: September 11, 2013 - Revision: 2.0
Applies to
  • Windows Multipoint Server 2012 Premium
  • Windows Multipoint Server 2012 Standard
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseinter kbsurveynew kbbug KB2864237

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