You experience connectivity issues when you run a program that accesses data on a computer that is running Windows Server 2003 or Windows XP (888319)

SYMPTOMS

When you run a program that performs byte-range locking operations and that accesses data on a computer that is running Microsoft Windows Server 2003 or Microsoft Windows XP, you experience connectivity issues. This problem occurs when you map a network drive to a shared folder on the server and then run the program. For example, the connection unexpectedly ends, or you cannot connect to the server. You may receive an error message that is similar to the following:

Error 64: The specified network name is no longer available.

The error message may vary depending on the program.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart the computer after you install 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 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 tool in Control Panel.

Windows Server 2003, 32-bit versions

Date         Time   Version        Size    File name
-----------------------------------------------------
18-Nov-2004  20:22  5.2.3790.233  395,264  Mrxsmb.sys
18-Nov-2004  20:22  5.2.3790.233  158,208  Rdbss.sys

Windows Server 2003, 64-Bit Enterprise Edition

Date         Time   Version          Size    File name   Platform
-----------------------------------------------------------------
18-Nov-2004  20:22  5.2.3790.233  1,123,328  Mrxsmb.sys   IA-64
18-Nov-2004  20:22  5.2.3790.233    464,896  Rdbss.sys    IA-64

MORE INFORMATION

For additional information about how to resolve this issue in Microsoft Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:

839027 Programs may fail when they access data on a computer that is running Windows Server 2003 or Windows XP

For additional information about the terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates