Summary
When you or an application cannot access a remote share in Windows 8 or Windows Server 2012 because of a permission or configuration issue, the event log data that is generated may not be descriptive enough to be helpful. For example, you may receive the following error message when you try to access a remote share in Windows 8 or Windows Server 2012:
Cannot access a remote file share
This can make it difficult to troubleshoot the Server Message Block (SMB) protocol and remote storage issues. The hotfix for Windows Server 2012 and Windows 8 that is mentioned in the "Hotfix information" section introduces more robust event logging for SMB.
Resolution
To resolve this issue, install update rollup 2984005, or install the hotfix that is described in the "Hotfix information" section.
Update information
For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2984005 September 2014 update rollup for Windows RT, Windows 8, and Windows Server 2012
Hotfix information
A supported hotfix is available from Microsoft Support. 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.
Prerequisites
There are no prerequisites for installing this hotfix.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any previously released hotfix.
File information
For a list of the files that are provided in this update, download the file information for this update 2980749.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
Windows Server 2012 R2 and Windows 8.1 introduced more robust event logging for SMB, with more detailed events and improved guidance. This update for Windows Server 2012 and Windows 8 adds these same capabilities. You will find these new event log entries under the following channels:
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Microsoft-Windows-SMBClient/Connectivity
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Microsoft-Windows-SMBClient/Operational
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Microsoft-Windows-SMBClient/Security
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Microsoft-Windows-SMBServer/Connectivity
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Microsoft-Windows-SMBServer/Operational
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Microsoft-Windows-SMBServer/Security
To access these events:
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Open Event Viewer and then expand Applications and Services Logs.
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Expand the Microsoft folder.
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Expand the Windows folder.
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Expand the SMBClient or SMBServer folder and then click the channels.
Note Any custom application that relies on the old event-logging mechanisms in SMB will be affected by using the new logging framework and event channels that are introduced by this hotfix.
References
Learn about the terminology that Microsoft uses to describe software updates.
