A good checklist for this problem:
Files on Network Shares Open Slowly or Read-Only or You Receive an Error Message
The information in this article applies to:
Microsoft Windows XP 64-Bit Edition
Microsoft Windows XP Professional SP1
Microsoft Windows XP Professional
Microsoft Windows XP Tablet PC Edition
Microsoft Windows 2000 Server
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Server SP3
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Professional SP1
Microsoft Windows 2000 Professional SP2
Microsoft Windows 2000 Professional SP3
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Advanced Server SP2
Microsoft Windows 2000 Advanced Server SP3
Microsoft Excel 2000
Micosoft Excel 2002
Microsoft FrontPage 2000
Microsoft FrontPage 2002
Microsoft PowerPoint 2000
Microsoft PowerPoint 2002
Microsoft Word 2000
Microsoft Word 2002
Microsoft Access 2000
Microsoft Access 2002
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SYMPTOMS
You may experience any of the following symptoms:
When you copy a file over the network in Windows XP, if the source file is located on a Windows 2000-based network share, you may receive either of the following error messages:
· File or network path no longer exists.
No network provider accepted the given network path.
When you try to open a file from a network share, the file may take a long time to open.
You may receive various error messages, or other problems may occur, when you use a program that opens and closes files, or creates temporary files, on a Windows 2000-based server with Server Message Block (SMB) signing enabled.
A file that you open over the network is opened as read-only, or a sharing violation occurs, and you must save the file locally to make changes. This may occur even if your permissions are set to Full Control for both the share and the volume that uses the NTFS file system, and no other user has the file open. In this case, you may receive one of the following error messages:
· File in use: Filename is locked for editing by username. Click 'Notify' to open a read-only copy of the document and receive notification when the document is no longer in use.
This command is not available because the document is locked for editing.
The document Filename is locked for editing by another user. To open a read-only copy of his document, click...
File is locked for editing, do you want to open a read-only version of the file.
Cannot open Filename on network share. Make sure a disk is in the drive you specified.
Access is denied. The file may be in use by another application.
Programs such as Excel or PowerPoint may open two files successfully but display a "Read-Only" error message when you open a third file.
Network programs that rely on heavy network file input/output (I/O) may seem to stop responding (hang), or delays may occur when you open or close files (because "Oplock Break" requests are ignored).
Problems may occur when Windows applies group policies or runs logon scripts.
You can save a Microsoft Office file by using the same file name only after you have the file open for at least 30 minutes.
You may also receive other error messages, depending on the program that you are using. For example, you may receive error messages that indicate that a file is already in use or can be opened only as read-only.
CAUSE
This issue may be caused by any of the following items:
There is a problem in negotiating SMB signing from a client that is running Windows XP Service Pack 1 (SP1) to a Windows 2000-based server that requires SMB signing.
Another process has the file open and locked. For example, this problem may be caused by any of the following items:
The network folder is open in Windows Explorer and you are using Details view to display additional details (such as the author or title) for files in the folder. Windows Explorer reads the contents of the files in the folder to obtain the additional details. If a program tries to open a file exclusively, and Windows Explorer has the network file open to extract this additional file information, a sharing violation occurs.
Another program or process, such as an antivirus program (either on the client computer or on the server), may have the file locked.
RESOLUTION
To resolve this issue, follow these steps:
Download and install the MS02-070 security patch that is described in Microsoft Knowledge Base article 329170 on all Windows 2000-based and Windows XP-based file servers and client computers. For additional information about this patch, click the following article number to view the article in the Microsoft Knowledge Base:
329170 MS02-070: Flaw in SMB Signing May Permit Group Policy to Be Modified
Upgrade any Windows XP-based client computers to Service Pack 1 (SP1), and then obtain and install the hotfixes that are described in Microsoft Knowledge Base articles 328170 and 812937. For additional information about how to obtain Windows XP SP1, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
For additional information about how to obtain the hotfixes, click the following article numbers to view the articles in the Microsoft Knowledge Base:
812937 File Lock or Access Denied Error Message When You Save Files Over the Network
328170 Program Opens a File As Read-Only or Returns a Sharing Violation or "Access Denied" Message When Opening from or Saving to a Network Folder
If the issue is not yet resolved, disable network drive scanning in your antivirus program. If the problem is still not resolved, temporarily disable your antivirus program. In some cases, you may have to remove antivirus software on both the client and the server to troubleshoot this issue. If removing or disabling your antivirus program resolves the issue, contact the manufacturer of your antivirus program for additional information about this issue and how to resolve it. For example, visit the following third-party Web sites for information about how to resolve this problem with specific antivirus products:
Trend Micro OfficeScan Corporate Edition 5.0
Norton AntiVirus Corporate Edition 7.6
Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
MORE INFORMATION
Network Monitor traces may show "DOS Error, (5) ACCESS_DENIED" or "DOS Error, (32) SHARING_VIOLATION" errors after 35 seconds (between "SMB: C NT create & X" commands for the same file name). The time that the server waits for an Oplock Break response is controlled by the LanmanServer parameter OplockBreakWait. By default, this parameter is set to 35 seconds.
For additional information about how to work around logon delays, click the following article number to view the article in the Microsoft Knowledge Base:
319440 Logon Delays Over Slow Links if Oplock Is Not Granted for the Policy File
REFERENCES
For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
306981 II Oplocks Are Not Granted After a File Is Locked
324002 Searching Files Across a Network May Leave Open Files
296264 Configuring Opportunistic Locking in Windows
812513 File Takes an Unexpectedly Long Time to Open Through Server Message Block Protocol
Last Reviewed: 6/4/2003
Keywords: kbprb KB814112
