insecure guest auth:

powershell:

Set-SmbClientConfiguration -EnableInsecureGuestLogons $true -Force

Group Policy:

1) Select Start, type gpedit.msc, and select Edit group policy.
2) In the left pane under Local Computer Policy, navigate to Computer Configuration\Administrative Templates\Network\Lanman Workstation.
3) Open Enable insecure guest logons, select Enabled, then select OK.


Disable SMB Signing:

powershell:

Set-SmbClientConfiguration -RequireSecuritySignature $false

Group Policy:


1) Select Start, type gpedit.msc, then hit Enter.
2) In the Local Group Policy Editor, navigate to Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options.
3) Open Microsoft network client: Digitally sign communications (always), select Disabled, then select OK.




