Error message when you try to access a Windows XP-based network computer: "You might not have permission to use this network resource"

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Article ID: 913628 - View products that this article applies to.
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Symptoms of the problem

When you try to access a Windows XP-based network computer, you receive an error message that resembles the following:
xxxxxxx is not accessible. You might not have permission to use this network resource. Access is denied.
Note In this error message, xxxxx is the IP address or the computer name of the Windows XP-based computer.

You may experience this issue when you use the IP address or the computer name to access a shared folder that is stored on the Windows XP-based computer. You may also experience this issue when you use My Network Places to access a shared folder in this situation.

Cause

This issue can occur if the Windows XP-based computer to which you are trying to connect is configured to restrict access over anonymous connections.

Steps to resolve the problem

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To resolve this issue, set the value of the restrictanonymous registry entry to 0. To do this, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then double-click the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
  3. On the right side, double-click restrictanonymous.
  4. Make sure that the value in the Value data box is set to 0, and then click OK.
  5. Close Registry Editor.
  6. Restart the computer.
Note There may be other reasons that you receive this error. For more information, please see the "Similar problems and solutions" section.

If you still have problems with this error message, you might want to ask someone for help or contact support. For information about how to contact support, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/

Similar problems and solutions

For more information about similar problems and solutions, click the following article numbers to view the articles in the Microsoft Knowledge Base:
308007 How to troubleshoot home networking in Windows XP
281248 You receive an "Access is denied" error message when you try to access shares on a Windows XP Home Edition-based computer that is connected to a network
318030 You cannot access shared files and folders or browse computers in the workgroup with Windows XP
870702 How to troubleshoot wireless network connections in Windows XP Service Pack 2

If these Microsoft Knowledge Base articles do not help you resolve the problem, or if you experience symptoms that differ from those that this article describes, please search the Microsoft Knowledge Base for more information. To search the Microsoft Knowledge Base, visit the following Microsoft Web site:
http://support.microsoft.com
Then, type the text of the error message that you receive, or type a description of the problem in the Search Support (KB) field.

More information

For more information about the restrictanonymous registry entry, click the following article number to view the article in the Microsoft Knowledge Base:
246261 How to use the RestrictAnonymous registry value in Windows 2000

Properties

Article ID: 913628 - Last Review: March 5, 2013 - Revision: 3.0
Applies to
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
Keywords: 
kbresolve kbtshoot kbprb KB913628

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