Windows Server 2012 R2 sharing is not working with its IP but working as \\server.

Shakeel Baharpet 1 Reputation point
2021-01-16T09:19:55.333+00:00

Hi Team,

Windows Server 2012 R2 sharing is not working with its IP but working as \server with name. Need assistance thank you.

Windows Server 2012
Windows Server 2012
A Microsoft server operating system that supports enterprise-level management, data storage, applications, and communications.
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  1. Candy Luo 12,671 Reputation points Microsoft Vendor
    2021-01-18T02:41:42.48+00:00

    Hi @Shakeel Baharpet ,

    Please refer to the following steps:

    1.Click on see details to check the exact error message:

    57413-image.png

    2.Then check SMB client log and SMB server log to see if there are something related for us to troubleshooting:

    e.g.: A access B' shared file, then A is SMB client and B is SMB server.

    57492-image.png

    3.Check if you can ping server's IP address.

    Nslookup servername and see if returned IP address is right.

    Best Regards,

    Candy


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  2. Shakeel Baharpet 1 Reputation point
    2021-01-18T06:39:43.327+00:00

    Hi Candy,

    Thanks for the reply. Followed share troubleshooting steps.

    1. IP is pinging and server name is also pinging.
    2. Firewall is off and anti virus is disabled.
    3. But SMB client logs showing port 445 5445 as disabled.
    4. Can telnet port 445 via server name but not through IP.
      Firewall is off and antivirus also disabled. But still port 445 is blocking for IP don't know where its blocking all possible checks please helps if missing something.

  3. Shakeel Baharpet 1 Reputation point
    2021-01-18T07:52:31.163+00:00

    Hi Candy,

    Full error message.

    57621-image.png

    57517-image.png

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  4. Candy Luo 12,671 Reputation points Microsoft Vendor
    2021-01-18T09:06:59.19+00:00

    Hi ,

    Check the following registry path:**HKLM\System\CurrentControlSet\Control\Lsa\MSV1_0**

    See if the a registry key named RestrictReceivingNTLMTraffic here and the value is 2. As picture below:

    57429-1.png

    To allow NTLM traffic, or re-enabling NTLM authentication again: change Registry keys on both systems SMB client and SMB File server.

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0

    **RestrictReceivingNTLMtraffic    REG_DWORD    0x0**  
    **RestrictSendingNTLMtraffic      REG_DWORD    0x0**  
    

    Important: The information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs.

    Best Regards,

    Candy

    --------------------------------------------------------------

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  5. Candy Luo 12,671 Reputation points Microsoft Vendor
    2021-01-19T01:35:30.62+00:00

    Hi @Shakeel Baharpet ,

    What I mean is if I have a registry key RestrictReceivingNTLMTraffic with value 2, then I will have the same issue. Try to set the value RestrictReceivingNTLMTraffic and RestrictSendingNTLMtraffic to 0:

    RestrictReceivingNTLMtraffic    REG_DWORD    0x0  
    RestrictSendingNTLMtraffic      REG_DWORD    0x0  
    

    Then see if the issue still happens.

    Best Regards,

    Candy

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