Article ID: 982734 - View products that this article applies to.
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You try to access a shared folder that is located on a Windows 2000 or Windows 98-based computer from a Windows 7-based computer. You are required to provide a username and password. However, the authentication fails. Therefore, you cannot access the shared folder.
Note This issue does not occur if you access the shared folder from a Windows Vista or a Windows XP-based computer.
Windows 7 uses NTLM version 2 (NTLMv2) authentication. By default, NTLMv2 authentication is not enabled in Windows 2000 or in Windows 98. Therefore, this issue occurs.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To resolve this issue, enable NTLMv2 authentication on the Windows 2000- or the Windows 98-based computer. To do this, follow these steps:
(http://support.microsoft.com/kb/239869/ )How to enable NTLM 2 authentication
Note Samba 2.x does not support NTLMv2 authentication. Therefore, you may encounter similar issues when you try to access shared folders that are located on Samba systems from a Windows 7-based computer. To work around this issue, follow these steps on the Windows 7-based computer:
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