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Scan failed for both SMB/RPC.


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#1 dezore

dezore

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Posted 08 May 2019 - 07:44 AM

Hi,

 

I have another question. I have some computers in network which could not be scanned with error:

 

Scan failed: SMB: The user name or password is incorrect; RPC: Access Denied.

 

Computer run under Windows 10 (x64) Proffessional.

I'm pretty sure that credentials are fine, because I'm able to run a command:

net use \\comp\ipc$ with provided credentials

 

I've also read the help on this issue and can confirm that:

 

1. UAC is disabled.

2. User is administrator on this PC.

3. Password is not blank.

4. No domain involved.

5. In security policy: Network access: Sharing and security model for local accounts policy is Classic

6. Firewall is disabled.

7. WMI service is up and running.

8. DNS record is connect.

 

What I missed? Please advise.

 

Regards,

Denis.

 

 

 

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#2 Alex

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Posted 10 May 2019 - 04:53 AM

Hi Denis,

 

If the remote computers are not part of a domain, we recommend running the .reg file with the following contents:

Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
"forceguest"=dword:00000000
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system]
"LocalAccountTokenFilterPolicy"=dword:00000001

 

Please try running it on several computers and let us know if this helps.

 

In addition, you can check the following using the same credentials as you specified in TNI:

- is it possible to open \\computername\admin$ folder in File Explorer (to access the admin$ folder on the other computer)?
- is it possible to access "computername" from the services.msc (Action - Connect to another computer)?

 

Remote computers must be accessible in both cases.



#3 dezore

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Posted 21 May 2019 - 01:57 AM

Hi Alex, 

Sorry for late reply, I finally managed it.

Your registry tweak helped plus some firewall rules.

Actually it was a strange behavior of PC itself.

 

TNI works with a charm. Keep evaluating it. 

 

Thanks.






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