Article ID: 936071 - View products that this article applies to.
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Consider the following scenario:
In Microsoft Excel, you may receive an error message that resembles the following:
An error occurred on opening the file.
Unable to Access to file_name
When exclusive opportunistic locking is available on a file, the Mrxsmb component caches certain requests, such as read requests, write requests, lock requests, and open requests. This caching behavior makes the requests internal. Therefore, these requests are not sent out over the network.
When the Mrxsmb component receives a lock request, the Mrxsmb component verifies whether a lock conflict exists locally. For example, the Mrxsmb component verifies whether the file is opened by other applications, regardless of the lock buffering state.
In Windows XP, the Mrxsmb component processes read requests only for sparse files. All other requests are sent to the file server. (This includes lock requests.) Therefore, when the client is offline, it cannot open the file.
Hotfix informationA 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 this specific problem. 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 Web site:
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.
PrerequisitesTo install this hotfix, you must have Windows XP Service Pack 2 installed.
Restart requirementYou must restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other previously released hotfixes.
Registry informationTo use this hotfix, you do not have to make any changes to the registry.
File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows XP with SP2, x86-based versions
Collapse this tableExpand this table
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates