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Article ID: 841570 - Last Review: August 2, 2006 - Revision: 3.4
Cannot access shares or printers across the LAN from Windows XP
While you are using a computer that has one of the operating
systems that are listed in the "Applies To" section installed,
you may experience either of the following symptoms.
- When you try to connect to a network share, you may receive
the following error message:
No network provider
accepted the given network path.
- You may also receive the following error message:
Workstation service terminated with service-specific error
2250
This issue occurs because the Mup.sys file is missing or
corrupted.
To resolve this problem, follow these steps:
- Restart your computer in Safe mode.
- Use System File Checker with the /scannow parameter to immediately scan and verify the versions of all the
system files that Windows File Protection helps protect. You must be logged on
as an administrator or as a member of the Administrators group to run System
File Checker. You can run the sfc /scannow command to use System File Checker.
- If you get information about the corrupted Mup.sys file, expand the Mup.sys file from the Windows XP CD to the
C:\Windows\System32\Drivers folder. For example, if the CD drive is D, type the following at a command prompt:
expand d:\i386\mup.sy_ c:\windows\system32\drivers
- Expand the Mup.sys file from the Windows XP CD to the
C:\Windows\System32\Dllcache folder. For example, if the CD drive is D, type the following at a command prompt:
expand d:\i386\mup.sy_ c:\windows\system32\dllcache
Note You can also use Expand File in the System Configuration Utility (MSCONFIG).
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
310560Â
(http://kbalertz.com/Feedback.aspx?kbNumber=310560/
)
How to troubleshoot configuration errors by using the System Configuration utility in Windows XP
For more information about how to update Mup.sys to the most recent version, click the following article number to view the article in the Microsoft Knowledge Base:
311967Â
(http://kbalertz.com/Feedback.aspx?kbNumber=311967/
)
MS02-017: Unchecked buffer in the Multiple UNC
For more information about System File Checker, click the following article number to view the article in the Microsoft Knowledge Base:
310747Â
(http://kbalertz.com/Feedback.aspx?kbNumber=310747/
)
Description of Windows XP and Windows Server 2003 System File Checker (Sfc.exe)
APPLIES TO
- Microsoft Windows XP Professional
- Microsoft Windows Server 2003, Web Edition
- Microsoft Windows Server 2003, Standard Edition (32-bit x86)
- Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
- Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
- Microsoft Windows XP Home Edition
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