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Automatic Login Enabled - When checked is set to 1, when unchecked 0.
AutoAdminLogon
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
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Data type |
Range |
Default value |
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REG_SZ |
0 | 1 |
0 |
Description
Determines whether the automatic logon feature is enabled. Automatic logon uses the domain, user name, and password stored in the registry to log you on to the computer when the system starts. The Log On to Windows dialog box is not displayed.
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Value |
Meaning |
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0 |
Disables automatic logon. |
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1 |
Enables automatic logon. |
Activation method
You must log off of Windows NT4/2000/2003/XP, shut down the computer, and start it again before changes to this entry take effect.
Note
Automatic logon requires that DefaultDomainName and DefaultUserName appear in the registry with valid values.
Caution
Automatic logon allows other users to start your computer and log on using your account.
Because automatic logon proceeds in a different order than an authenticated logon, it can cause timing conflicts. If you are loading several network transport protocols, automatic logon might cause Windows NT4/2000/2003/XP to attempt to connect to network resources before the protocols network transports are completely loaded.
If you disable automatic logon by setting the value of AutoAdminLogon to 0, remember to delete the value of DefaultPassword, which is stored and displayed in your registry editor in plain, unencrypted text.
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