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Article ID: 2745955 - Last Review: April 17, 2015 - Revision: 6.0

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Symptoms

Consider the following scenario:
  • You configure a stand-alone Distributed File System (DFS) root on a Windows Server 2012-based or Windows Server 2008 R2-based failover cluster.
  • You configure one or more Windows Server 2008 R2-based failover cluster nodes for the DFS resource.
  • You map a network drive to the DFS root on a client computer that is running Windows 7 or Windows Server 2008 R2.
  • When a cluster failover occurs, you try to access the mapped network drive from the client computer by using the Server Message Block (SMB) protocol version 2.
In this scenario, you cannot connect to the mapped network drive. Additionally, you receive an error message that resembles the following:
Title: Location is not available
Body: Path of the folder refers to a location that is unavailable. It could be on a hard drive on this computer, or on a network. Check to make sure that the disk is properly inserted, or that you are connected to the Internet or your network, and then try again. If it still cannot be located, the information might have been moved to a different location.

Additionally, you still cannot connect to the mapped network drive after the failover occurs until you restart the computer or log off the computer and log on it again.

Resolution

Hotfix information

To resolve this issue, install the following hotfix package on the Windows Server 2012-based or the Windows Server 2008 R2-based failover cluster node.

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 (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).

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  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to 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 8 and Windows Server 2012 file information notes
Important Windows 8 hotfixes and Windows Server 2012 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 8/Windows Server 2012" 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
    VersionProductMilestoneService branch
    6.2.920  0.21xxxWindows 8 and Windows 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" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. 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 8
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Srv2.sys6.2.9200.21409551,93605-Mar-201503:28x86
For all supported x64-based versions of Windows 8 or Windows Server 2012
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Srv2.sys6.2.9200.21409674,30405-Mar-201504:29x64
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 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
    VersionProductMilestoneService branch
    6.1.760 1.22xxxWindows 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" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. 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
Srv2.sys6.1.7601.22100408,57627-Aug-201215:03x64
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Srv2.sys6.1.7601.22100795,64827-Aug-201214:23IA-64

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 how to create a DFS root, go to the following Microsoft website:
General information about how to create a DFS root (http://technet.microsoft.com/en-us/library/cc737509(v=WS.10).aspx)
For more information about failover clusters, go to the following Microsoft website:
General information about failover clusters (http://technet.microsoft.com/en-us/library/cc732488(v=WS.10).aspx)
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 8 and Windows Server 2012

Additional files for all supported x86-based versions of Windows 8
Collapse this tableExpand this table
File propertyValue
File nameX86_08f3afac55205fbe78bfa5a783ea4bc3_31bf3856ad364e35_6.2.9200.21409_none_e89c22f81919862e.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_1e2f89dcb871a6e8b9e20197541f3a1f_31bf3856ad364e35_6.2.9200.21409_none_92e9d8fd082724ac.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_1ee86a9fa7d44f66fa9f235ddf43f34b_31bf3856ad364e35_6.2.9200.21409_none_37366c2ac0773cd1.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_27e37e51129a2678009e73927ac8023a_31bf3856ad364e35_6.2.9200.21409_none_89ee0b9461ca977f.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_33a2e9c2321e408ef61443b03c55273b_31bf3856ad364e35_6.2.9200.21409_none_3105c9e4d35ab9a8.manifest
File versionNot applicable
File size700
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_3d31a3e26dbfa76f8a3106f802b76296_31bf3856ad364e35_6.2.9200.21409_none_b80a0fe9d4cb6791.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_3e76028a69f75c65cc8d0fbc0074e0ae_31bf3856ad364e35_6.2.9200.21409_none_99c7c1f6b199af6a.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_67ecd0446b036fdfed95655b0720fe4c_31bf3856ad364e35_6.2.9200.21409_none_2aa6a93ae2d1c27c.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_724c9c97a0b695724213537b6f962d0e_31bf3856ad364e35_6.2.9200.21409_none_66fcc3e3d57ff7d7.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_74e6bda2ce38e1bfe4934a95df0c62eb_31bf3856ad364e35_6.2.9200.21409_none_506f98f09731e4c4.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_83f30747fe4fd1b87136668a5e8f7a34_31bf3856ad364e35_6.2.9200.21409_none_6ad9cdb8143ce467.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_89b99b242e708270317b2142f27451ba_31bf3856ad364e35_6.2.9200.21409_none_08d106700e24e1ca.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_a67866b03a9f6cadc306d730932e21f5_31bf3856ad364e35_6.2.9200.21409_none_97046cac9864b6ba.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_a68f06d8e7d871998dd28e048d4e2670_31bf3856ad364e35_6.2.9200.21409_none_36a1c515ed29f29c.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_ac170ff3f8aad4cca888d6e9965b4b17_31bf3856ad364e35_6.2.9200.21409_none_27b618dfca8222ec.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_aecc23c8adbb0e0094745d65270889e4_31bf3856ad364e35_6.2.9200.21409_none_3fe2e97958f37d3f.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_b1706f92b7621a4e0de7aa8f42c63cd0_31bf3856ad364e35_6.2.9200.21409_none_56c00b97679fda3e.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_b1b82b0f877d5ceca4424fa05ce09432_31bf3856ad364e35_6.2.9200.21409_none_5d2bdeb8cec35bec.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_b2c1b8b73f3c5f6f6735c42eeb59e64c_31bf3856ad364e35_6.2.9200.21409_none_68e0b57aba788745.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_c0c74836e7f5f0ac6d12d4bcc5422a3e_31bf3856ad364e35_6.2.9200.21409_none_96d9e451186f8ca6.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_c78e1b20ad5f47c270f1046226e57cf2_31bf3856ad364e35_6.2.9200.21409_none_59c308465277163e.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_d4b5e07c4e116c1eda91e044232767bd_31bf3856ad364e35_6.2.9200.21409_none_1d958beaee3f3f59.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_df3f63eb228d9c5d36478512b191d904_31bf3856ad364e35_6.2.9200.21409_none_20cdb99f20176486.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_f6d1725103f05f559ee8f32b7873d083_31bf3856ad364e35_6.2.9200.21409_none_9965b0be220375f8.manifest
File versionNot applicable
File size708
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameX86_microsoft-windows-smbserver-v2_31bf3856ad364e35_6.2.9200.21409_none_d77cac24e0bad11d.manifest
File versionNot applicable
File size259,944
Date (UTC)05-Mar-2015
Time (UTC)04:56
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012
Collapse this tableExpand this table
File propertyValue
File nameAmd64_02cbe699b5f17a4a4a4f0906acd3352f_31bf3856ad364e35_6.2.9200.21409_none_ad09f34173f64156.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_13a94b3a7092ad864be0375144960d31_31bf3856ad364e35_6.2.9200.21409_none_915decd9ee0d589d.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_151e4c8cecda0a8f3166d04a2e75a85c_31bf3856ad364e35_6.2.9200.21409_none_f00038d608536215.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_180e07a004c97dd58b67b9844713813b_31bf3856ad364e35_6.2.9200.21409_none_61eae82df1960be1.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_1b8375d6a36e4c9099723a2b321e703e_31bf3856ad364e35_6.2.9200.21409_none_34659ac5c13e16b4.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_2cc75bce214bfa8b95d1e83aec7fe4d5_31bf3856ad364e35_6.2.9200.21409_none_c3f6d0b390af4d1d.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_2d5fcc96aa3e87ae4528e89cc8e15017_31bf3856ad364e35_6.2.9200.21409_none_1fc284a325517bf9.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_30649069dbd4ddde003e7816a0c82b7e_31bf3856ad364e35_6.2.9200.21409_none_1f9284b53e5762a8.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_55297c2d3fe0ed7538c17092ac9f4be0_31bf3856ad364e35_6.2.9200.21409_none_55240b9e628cc42f.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_5553f0f65201172fd6a52234d9dd5cf5_31bf3856ad364e35_6.2.9200.21409_none_271cf7aaa69c93cb.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_5caf1c3dfe15fc597e9a35159e4cdb76_31bf3856ad364e35_6.2.9200.21409_none_1a374f625a21e568.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_5e818c4a644a667cc009dfd7506d9582_31bf3856ad364e35_6.2.9200.21409_none_f35a3409d36c4d0c.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_61fff38e84cdef52bcad036ccd256903_31bf3856ad364e35_6.2.9200.21409_none_4932dc45ae2052fe.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_693d6bb1d7d58e727ea3641d9e74133e_31bf3856ad364e35_6.2.9200.21409_none_f5ecb945320ebd77.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_70b83d5eb9421840562a6fa72955c98f_31bf3856ad364e35_6.2.9200.21409_none_94e3a874d91fde4b.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_a502094da0d8cd97f05fa32ca8f6f159_31bf3856ad364e35_6.2.9200.21409_none_9923d0578d597517.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_a51805b455efeeb514adf0694b53f61d_31bf3856ad364e35_6.2.9200.21409_none_9a1db63860ffe2ac.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_a5aad5629c868402f0c509a2ee889fd2_31bf3856ad364e35_6.2.9200.21409_none_be4765a658c69808.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_b401e4a860724b0e6e879bd918fbd1d5_31bf3856ad364e35_6.2.9200.21409_none_0343c2538a07a02c.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_b5f60cc8a9f09942b79dbb09c8e02e26_31bf3856ad364e35_6.2.9200.21409_none_6d0d5f0b041ef7b9.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_c2606e29485bb945f045d9ffb055792d_31bf3856ad364e35_6.2.9200.21409_none_56adfd923bf8a6bc.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_c39e2de05502d30c76bef8c6d68589ae_31bf3856ad364e35_6.2.9200.21409_none_7f70317a3c68155a.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
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File nameAmd64_d8fa926b17d1e92773e72d7f5e2f8cf9_31bf3856ad364e35_6.2.9200.21409_none_1d6c846d3344b5d9.manifest
File versionNot applicable
File size712
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_f49213ebde328660d9ed47e1b0bb4538_31bf3856ad364e35_6.2.9200.21409_none_892f903a798670e3.manifest
File versionNot applicable
File size704
Date (UTC)07-Mar-2015
Time (UTC)02:32
PlatformNot applicable
File nameAmd64_microsoft-windows-smbserver-v2_31bf3856ad364e35_6.2.9200.21409_none_339b47a899184253.manifest
File versionNot applicable
File size259,948
Date (UTC)05-Mar-2015
Time (UTC)07:23
PlatformNot applicable

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_7e2dd8ec6385acfd1f31815f306d93b1_31bf3856ad364e35_6.1.7601.22100_none_91f2709ecd751224.manifest
File versionNot applicable
File size704
Date (UTC)28-Aug-2012
Time (UTC)07:01
PlatformNot applicable
File nameAmd64_microsoft-windows-smbserver-v2_31bf3856ad364e35_6.1.7601.22100_none_38a2ea2726348462.manifest
File versionNot applicable
File size2,657
Date (UTC)27-Aug-2012
Time (UTC)18:20
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_83e31a6933e42e71e2742e6e836c57f3_31bf3856ad364e35_6.1.7601.22100_none_3b6f744eb67b1d74.manifest
File versionNot applicable
File size702
Date (UTC)28-Aug-2012
Time (UTC)07:01
PlatformNot applicable
File nameIa64_microsoft-windows-smbserver-v2_31bf3856ad364e35_6.1.7601.22100_none_dc85f2996dd51c28.manifest
File versionNot applicable
File size2,656
Date (UTC)27-Aug-2012
Time (UTC)18:07
PlatformNot applicable

Applies to
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Standard
  • Windows Server 2012 Essentials
  • Windows Server 2012 Foundation
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2745955
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