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Cross-Premises VPN connectivity is lost when Azure site-to-site VPN tunnels use Windows Server 2012 R2 RRAS

View products that this article applies to.

This article describes an issue that occurs when Microsoft Azure site-to-site VPN tunnels use Windows Server 2012 R2 Routing and Remote Access Service (RRAS). A hotfix is available to fix this issue. Before you install this hotfix, see the Prerequisites section.

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Symptoms

Microsoft Azure site-to-site VPN tunnels stop receiving incoming traffic, and the tunnel becomes unidirectional.

For more information about the scenario when this issue occurs, go to the More Information section.

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Hotfix information

Important If you install a language pack after you install this hotfix, you must reinstall this hotfix. Therefore, we recommend that you install any language packs that you need before you install this hotfix. For more information, see Add language packs to Windows.


A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that's described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there's a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section doesn't appear, submit a request to Microsoft Customer Service and Support to get 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 don't 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 don't see your language, it's because a hotfix isn't available for that language.

Prerequisites

To apply this hotfix, install update 2919355 in Windows 8.1 or Windows Server 2012 R2.

Registry information

To use the hotfix in this package, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix doesn't replace a previously released hotfix.

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File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

Windows 8.1 and Windows Server 2012 R2 file information and notes

  • 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:
    VersionProductMilestoneService branch
    6.3.960 0.16 xxxWindows RT 8.1 RTMGDR
    6.3.960 0.17xxxWindows 8.1 and Windows Server 2012 R2RTMGDR
    6.3.960 0.18 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes aren't listed, are signed with a Microsoft digital signature.

Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2

Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Cis.scpNot applicable73518-Jun-201315:05Not applicable
Ndproxy.sys6.3.9600.1803451,20020-Aug-201518:05Not applicable
Pppmenu.scpNot applicable2,81718-Jun-201315:05Not applicable
Rasbase-ppdlic.xrm-msNot applicable3,37421-Aug-201515:20Not applicable
Rascfg.dll6.3.9600.18034148,48020-Aug-201517:08Not applicable
Rasctrnm.hNot applicable1,82018-Jun-201315:05Not applicable
Rasdiag.dll6.3.9600.1638462,46422-Aug-201302:45Not applicable
Rasmxs.dll6.3.9600.1638431,23222-Aug-201303:09Not applicable
Rasser.dll6.3.9600.1638422,52822-Aug-201303:09Not applicable
Wanarp.sys6.3.9600.1803567,58421-Aug-201514:18Not applicable
x86 Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Cis.scpNot applicable73518-Jun-201312:33Not applicable
Kmddsp.tsp6.3.9600.1748439,42408-Nov-201403:13Not applicable
Ndistapi.sys6.3.9600.1748420,48008-Nov-201403:17x86
Ndproxy.sys6.3.9600.1803451,20020-Aug-201518:40x86
Pppmenu.scpNot applicable2,81718-Jun-201312:34Not applicable
Rasbase-ppdlic.xrm-msNot applicable3,37421-Aug-201515:58Not applicable
Rascfg.dll6.3.9600.18034164,86420-Aug-201517:22x86
Rasctrnm.hNot applicable1,82018-Jun-201312:34Not applicable
Rasdiag.dll6.3.9600.1748461,44008-Nov-201402:48x86
Rasmxs.dll6.3.9600.1748433,28008-Nov-201403:13x86
Rasser.dll6.3.9600.1748422,52808-Nov-201403:13x86
Wanarp.sys6.3.9600.1803566,04821-Aug-201514:16x86
x64 Windows 8.1 and Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Cis.scpNot applicable73518-Jun-201315:03Not applicable
Kmddsp.tsp6.3.9600.1748448,12808-Nov-201403:56Not applicable
Ndistapi.sys6.3.9600.1748424,57608-Nov-201404:00x64
Ndproxy.sys6.3.9600.1803572,19221-Aug-201518:14x64
Pppmenu.scpNot applicable2,81718-Jun-201315:03Not applicable
Rasbase-ppdlic.xrm-msNot applicable3,37421-Aug-201519:35Not applicable
Rascfg.dll6.3.9600.18035185,85621-Aug-201516:38x64
Rasctrnm.hNot applicable1,82018-Jun-201315:03Not applicable
Rasdiag.dll6.3.9600.1748477,82408-Nov-201403:24x64
Rasmxs.dll6.3.9600.1748443,00808-Nov-201403:56x64
Rasser.dll6.3.9600.1748430,20808-Nov-201403:56x64
Wanarp.sys6.3.9600.1803580,38421-Aug-201518:13x64
Cis.scpNot applicable73518-Jun-201312:33Not applicable
Kmddsp.tsp6.3.9600.1748439,42408-Nov-201403:13Not applicable
Pppmenu.scpNot applicable2,81718-Jun-201312:34Not applicable
Rascfg.dll6.3.9600.18034164,86420-Aug-201517:22x86
Rasctrnm.hNot applicable1,82018-Jun-201312:34Not applicable
Rasdiag.dll6.3.9600.1748461,44008-Nov-201402:48x86
Rasmxs.dll6.3.9600.1748433,28008-Nov-201403:13x86
Rasser.dll6.3.9600.1748422,52808-Nov-201403:13x86

Additional file information

Windows RT 8.1
File propertyValue
File nameArm_daa5e92636da216d379e7f1e3d0a073a_31bf3856ad364e35_6.3.9600.18035_none_88961441cd351bb0.manifest
File versionNot applicable
File size695
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
File nameArm_microsoft-windows-rasbase_31bf3856ad364e35_6.3.9600.18035_none_a2b97b6495dcc28c.manifest
File versionNot applicable
File size41,734
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,794
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
x86 Windows 8.1
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,794
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
File nameX86_7983f88aefc86f65cd3ef1f7402d192e_31bf3856ad364e35_6.3.9600.18035_none_5cc3b544714e94b5.manifest
File versionNot applicable
File size695
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
File nameX86_microsoft-windows-rasbase_31bf3856ad364e35_6.3.9600.18035_none_a2b7090c95dfa3c6.manifest
File versionNot applicable
File size43,462
Date (UTC)22-Aug-2015
Time (UTC)00:28
PlatformNot applicable
x64 Windows 8.1 and Windows Server 2012 R2
File propertyValue
File nameAmd64_0bafbbde892fff22365dfb77ea874cee_31bf3856ad364e35_6.3.9600.18035_none_1e31060cc8bdc201.manifest
File versionNot applicable
File size699
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
File nameAmd64_cef6834bd2f2c5c358822ccc635ffe71_31bf3856ad364e35_6.3.9600.18035_none_3483991b97fb8344.manifest
File versionNot applicable
File size699
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
File nameAmd64_microsoft-windows-rasbase_31bf3856ad364e35_6.3.9600.18035_none_fed5a4904e3d14fc.manifest
File versionNot applicable
File size43,468
Date (UTC)22-Aug-2015
Time (UTC)00:32
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,960
Date (UTC)22-Aug-2015
Time (UTC)00:25
PlatformNot applicable
File nameWow64_microsoft-windows-rasbase_31bf3856ad364e35_6.3.9600.18035_none_092a4ee2829dd6f7.manifest
File versionNot applicable
File size30,583
Date (UTC)22-Aug-2015
Time (UTC)00:32
PlatformNot applicable

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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.

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References

See the terminology that Microsoft uses to describe software updates.

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More Information

This issue occurs in the following scenario:
  • The site-to-site VPN connection is disconnected.
  • Before the disconnection is completed, a new connection is initiated by the traffic.
Because the RRAS server may hit a race condition, the routing table will end up in an inconsistent state, and TCP/IP will drop the incoming packets.  

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Keywords: kb, kbqfe, kbsurveynew, kbfix, kbexpertiseadvanced, kbhotfixserver, kbautohotfix

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Article Info
Article ID : 3082343
Revision : 1
Created on : 1/7/2017
Published on : 10/26/2015
Exists online : False
Views : 187