Configure SMB v1 server
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKLM
SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters Value name: SMB1
Enabled: SMB1 = 1
Disabled: SMB1 = 0
Description
Disabling this setting disables server-side processing of the SMBv1 protocol. (Recommended.) Enabling this setting enables server-side processing of the SMBv1 protocol. (Default.) Changes to this setting require a reboot to take effect. For more information, see https://support.microsoft.com/kb/2696547