"STOP 0x00000027 in mrxsmb.sys" error message when you try to copy files to a network-attached storage device

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SYMPTOMS

When you try to perform a large file copy procedure that copies files to a network-attached storage device, you may receive the following error message:

STOP 0x00000027 (baad00a0, b053a380, b0539fd8, b18d4a81) in mrxsmb.sys

Note The parameters of the stop code in this error message may differ.

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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 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=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

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later) 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 tool in Control Panel.

32-bit version

   Date         Time   Version       Size     File name
   -------------------------------------------------------
   11-Nov-2003  21:36  5.2.3790.101  394,752  Mrxsmb.sys
   11-Nov-2003  21:36  5.2.3790.101  157,696  Rdbss.sys

64-bit version

   Date         Time   Version       Size       File name
   -------------------------------------------------------
   11-Nov-2003  12:37  5.2.3790.101  1,122,304  Mrxsmb.sys
   11-Nov-2003  12:36  5.2.3790.101    463,360  Rdbss.sys

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Microsoft Windows Server 2000 hotfix information

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

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

Date         Time   Version         Size   File name 
----------------------------------------------------- 
15-Mar-2004  12:11  5.0.2195.6896 408,720  Mrxsmb.sys 
15-Mar-2004  12:11  5.0.2195.6896 169,904  Rdbss.sys

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