Microsoft network client: Send unencrypted password to connect to third-party SMB servers
If this security setting is enabled, the Server Message Block (SMB) redirector is allowed to send plaintext passwords to non-Microsoft SMB servers that do not support password encryption during authentication.
Sending unencrypted passwords is a security risk.
Default: Disabled.
Policy path:
Computer Configuration\Windows Settings\Local Policies\Security Options
Supported on:
At least Windows XP SP2, Windows Server 2003
Registry settings:
MACHINE\System\CurrentControlSet\Services\LanmanWorkstation\Parameters\EnablePlainTextPassword
Reboot required:
Yes