СИМПТОМИ

Assume that you have a computer that is running Windows RT 8.1, Windows 8.1 or Windows Server 2012 R2. You may experience certain issues when you directly or indirectly use the base CopyFile() function to copy files to a server message block (SMB) share that is hosted on a Windows Server 2012 R2-based clustered file server.

Note The base CopyFile() function includes the Copy and Paste options in Windows Explorer, the Copy command in Command Prompt (cmd.exe), the Copy-Item cmdlet in Windows PowerShell, the File.Copy function in the Microsoft .NET Framework, the robocopy function, the xcopy function, and so on.

For example, you may experience the following issues:

  • When you try to copy a file that has non-sector-aligned file sizes between two folders that are hosted on the same cluster node, the copy operation fails.

  • When you pause a copy operation in Windows Explorer, you can't resume the operation.

This update fixes the issues that occur during these scenarios, and significantly improves performance.

РАЗРЕШЕНИЕ

Update information

How to obtain this update

Windows Update

This update is available from .

Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating system

Update

All supported x86-based versions of Windows 8.1

Download

All supported x64-based versions of Windows 8.1

Download

All supported x64-based versions of Windows Server 2012 R2

Download

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

To apply this update, you must be running Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.


The global version of this update 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 8.1 and Windows Server 2012 R2 file information noteThe MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1" 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 Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Kernelbase.dll

6.3.9600.16496

759,256

20-Dec-2013

06:09

Not Applicable

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Kernelbase.dll

6.3.9600.16496

861,976

20-Dec-2013

08:28

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

Kernelbase.dll

6.3.9600.16496

1,113,040

20-Dec-2013

10:10

x64

Kernelbase.dll

6.3.9600.16496

835,584

20-Dec-2013

06:13

x86


СТАТУС

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

ДОПЪЛНИТЕЛНА ИНФОРМАЦИЯ

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

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