This article describes an issue when an application calls the BackupRead function to back up files that are shared by using the Server Message Block (SMB) protocol in Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012. A hotfix is available to resolve this issue. The hotfix has a prerequisite.
Symptoms
Consider the following scenario:
-
You run an application on a computer that is running Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012.
-
The application calls the BackupRead function to back up files on a remote server that is running Windows Server 2008 Service Pack 2 (SP2) or Windows Server 2003 SP2, and the files are shared by using the SMB protocol.
In this scenario, the BackupRead function randomly fails, and you receive the following error message that is returned by the BackupRead function:
Error code 58 ERROR_BAD_NET_RESP
The specified server cannot perform the requested operation
Resolution
To resolve this issue in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2, install the update rollup 2975719, or install the hotfix that is described in the "Hotfix information" section.
To resolve this issue in Windows 8 and Windows Server 2012, install the hotfix that is described in the "Hotfix information" section.
Update information
For more information about how to obtain update rollup 2975719, click the following article number to view the article in the Microsoft Knowledge Base:
2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
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=supportNote 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.
Prerequisite
To apply this hotfix, you must first install the update 2919355 on Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update: April 2014
Registry information
To apply this hotfix, you do not have to make any changes to the registry.
Restart requirement
You have to restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
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 RT 8.1, Windows 8.1, and Windows Server 2012 R2 file information notes
Important Windows 8.1 hotfixes and Windows Server 2012 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 8.1/Windows Server 2012 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, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
Version
Product
Milestone
Service branch
6.3.960 0.17 xxx
Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
RTM
GDR
-
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 RT 8.1, Windows 8.1, and Windows Server 2012 R2" 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 are not listed, are signed with a Microsoft digital signature.
For Windows RT 8.1
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Mrxsmb20.sys |
6.3.9600.17194 |
148,992 |
30-May-2014 |
03:00 |
Not applicable |
For all supported x86-based versions of Windows 8.1
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Mrxsmb20.sys |
6.3.9600.17194 |
156,160 |
30-May-2014 |
03:05 |
x86 |
For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Mrxsmb20.sys |
6.3.9600.17194 |
206,848 |
30-May-2014 |
03:02 |
x64 |
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, 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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
Version
Product
Milestone
Service branch
6.2.920 0.21xxx
Windows 8 and Windows Server 2012
RTM
LDR
-
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 8 and Windows Server 2012 R2" 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 are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Mrxsmb20.sys |
6.2.9200.21133 |
167,424 |
29-May-2014 |
22:22 |
x86 |
For all supported x64-based versions of Windows 8 and of Windows Server 2012
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Mrxsmb20.sys |
6.2.9200.21133 |
214,016 |
29-May-2014 |
22:24 |
x64 |
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 the BackupRead function, go to the following Microsoft website:
General information about the BackupRead functionFor more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684Description of the standard terminology that is used to describe Microsoft software updates
Additional file information for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
Additional files for Windows RT 8.1
|
File property |
Value |
|---|---|
|
File name |
Arm_b58b502a34858f489195cfc3acd375f7_31bf3856ad364e35_6.3.9600.17194_none_070c8f22385aba71.manifest |
|
File version |
Not applicable |
|
File size |
701 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
14:42 |
|
File name |
Arm_microsoft-windows-smb20-minirdr_31bf3856ad364e35_6.3.9600.17194_none_1f7241faa564d03e.manifest |
|
File version |
Not applicable |
|
File size |
4,096 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
07:32 |
Additional files for all supported x86-based versions of Windows 8.1
|
File property |
Value |
|---|---|
|
File name |
X86_9a9a4b094367c141f96b618da10f7739_31bf3856ad364e35_6.3.9600.17194_none_7e8cf6e9aad01e57.manifest |
|
File version |
Not applicable |
|
File size |
701 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
14:20 |
|
File name |
X86_microsoft-windows-smb20-minirdr_31bf3856ad364e35_6.3.9600.17194_none_1f6fcfa2a567b178.manifest |
|
File version |
Not applicable |
|
File size |
4,096 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
06:45 |
Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
|
File property |
Value |
|---|---|
|
File name |
Amd64_49b55395f670c95647c0086159ac8cbd_31bf3856ad364e35_6.3.9600.17194_none_81921c1d39867bbd.manifest |
|
File version |
Not applicable |
|
File size |
705 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
14:29 |
|
File name |
Amd64_microsoft-windows-smb20-minirdr_31bf3856ad364e35_6.3.9600.17194_none_7b8e6b265dc522ae.manifest |
|
File version |
Not applicable |
|
File size |
4,100 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
09:29 |
Additional file information for Windows 8 and for Windows Server 2012
Additional files for all supported x86-based versions of Windows 8
|
File property |
Value |
|---|---|
|
File name |
X86_45f1c4ef75514ffcf9049feaef977a4b_31bf3856ad364e35_6.2.9200.21133_none_b611c006519c71b4.manifest |
|
File version |
Not applicable |
|
File size |
701 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
07:25 |
|
File name |
X86_microsoft-windows-smb20-minirdr_31bf3856ad364e35_6.2.9200.21133_none_8844911f7422c2a1.manifest |
|
File version |
Not applicable |
|
File size |
4,096 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
00:21 |
Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012
|
File property |
Value |
|---|---|
|
File name |
Amd64_29bb23ee586e132cbbaa9c1062283e01_31bf3856ad364e35_6.2.9200.21133_none_6c89ba7a92968db9.manifest |
|
File version |
Not applicable |
|
File size |
705 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
07:32 |
|
File name |
Amd64_microsoft-windows-smb20-minirdr_31bf3856ad364e35_6.2.9200.21133_none_e4632ca32c8033d7.manifest |
|
File version |
Not applicable |
|
File size |
4,100 |
|
Date (UTC) |
30-May-2014 |
|
Time (UTC) |
02:19 |
