Sending Unencrypted Passwords

Posted On 2007-05-03 by FortyPoundHead
Keywords: Sending Unencrypted Passwords
Tags: Tip Software Hack/Tweak Windows NT Windows 2000
Views: 1602

Connecting to SMB servers (such as Samba and LAN Manager for UNIX) with an unencrypted (plain text) password fails after upgrading to Windows NT 4.0 Service Pack 3. This is because the SMB redirector in Service Pack 3 handles unencrypted passwords differently than previous versions of Windows NT. Beginning with Service Pack 3, the SMB redirector will not send an unencrypted password unless you add a registry entry to enable unencrypted passwords.
1. Add a new value of "EnablePlainTextPassword" to the key below, modify the value to be a DWORD value of "1".
2. Exit Regedit and Reboot.

Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Rdr\Parameters]
Value Name: EnablePlainTextPassword
Data Type: REG_DWORD
Data: (0=disable, 1=enable)

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