You can use the following registry settings in order to configure a Windows machine to automatically log into a domain. This should only be done with low risk/low security computers/users as the password is stored in the clear in the registry.
In the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Create or modify these values:
DefaultUserName
String Value (REG_SZ)
(username to login with)
DefaultPassword
String Value (REG_SZ)
(password to login with)
DefaultDomainName
String Value (REG_SZ)
(domain to log in to)
AutoAdminLogon
Value: 1
If the AutoLogonCount or AutoLogonChecked keys exist, delete them.
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