Article ID: 137155 - View products that this article applies to.
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When you attempt to log on to your computer, you may receive an error message that states that you do not have sufficient permissions to log on to the local computer. When you click OK, you may experience one of the following symptoms:
This behavior can occur if one of the following conditions is true:
To resolve this issue, use the appropriate method.
Increase User PermissionsNOTE: If you use Windows NT 3.51 and your computer shuts down when you attempt to log on, obtain the latest service pack for Microsoft Windows NT version 3.51 before you proceed. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
128465To resolve this behavior for NT4 and Windows 2000 machines, assign a minimum permission level of Read and Execute for the %Systemroot%\System32 folder to any user that needs to log on to the workstation.
(http://support.microsoft.com/kb/128465/EN-US/ )How to Obtain Windows NT Version 3.51 U.S. Service Pack
To increase user permissions, use the following steps:
(http://support.microsoft.com/kb/247900/EN-US/ )Cannot Log On After Removing Everyone Group from Permissions
(http://support.microsoft.com/kb/155315/EN-US/ )Cannot Log On After User Access to Boot Partition Removed
Turn Off the "Secure the System Partition" OptionIf you use a computer that is based on a DEC Alpha processor, log on to the computer as a member of the Administrators group, and then use the Disk Manager tool to turn off the "Secure the System Partition" option.
If you do not have at least Read and Execute permissions for the %SystemRoot%\System32 folder, you cannot log on to the computer. If the Everyone group does not have at least Read and Execute permissions for the %SystemRoot%\System32 folder, no user can log on to the computer, including the administrator. By default, the Everyone group has Change permissions (Read, Write, Execute, and Delete) for the %SystemRoot%\System32 folder.
Article ID: 137155 - Last Review: February 24, 2014 - Revision: 2.2