Why can some computers use the name for SMB while others need the IP

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  • adecanmin
    Trusted Tech

    Site Contributor
    250+ Posts
    • Oct 2010
    • 276

    Why can some computers use the name for SMB while others need the IP

    I could never figure it out. I was setting up a Konica Minolta to scan. Two machines in the same office. One I was able to use the computer name (preferred) and the other I had to use to IP. Is there a setting in the computer I need to change? I looked at the hosts file but it looked the same on both machines.
  • Phil B.
    Field Supervisor

    10,000+ Posts
    • Jul 2016
    • 22808

    #2
    Re: Why can some computers use the name for SMB while others need the IP

    Originally posted by adecanmin
    I could never figure it out. I was setting up a Konica Minolta to scan. Two machines in the same office. One I was able to use the computer name (preferred) and the other I had to use to IP. Is there a setting in the computer I need to change? I looked at the hosts file but it looked the same on both machines.
    what OS on each puter?

    are they on the same ip scheme?

    what are the settings for each one of the copiers?

    little info given.

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    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22703

      #3
      Re: Why can some computers use the name for SMB while others need the IP

      Maybe someone will correct me on this, but I have always assumed that issues with host name resolution originate at the DNS server. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

      Comment

      • Santander
        Senior Tech

        Site Contributor
        500+ Posts
        • May 2009
        • 768

        #4
        Re: Why can some computers use the name for SMB while others need the IP

        Originally posted by adecanmin
        I could never figure it out. I was setting up a Konica Minolta to scan. Two machines in the same office. One I was able to use the computer name (preferred) and the other I had to use to IP. Is there a setting in the computer I need to change? I looked at the hosts file but it looked the same on both machines.
        Are both machines on the same IP segment? Just because they are in the same office does not mean they are on the same segment or the same router. Using the computer name requires that a DNS server has the computer name mapped to an IP address. You could also experience a problem using the computer name if the domain name is not registered in the machine and does not send the computer name to the domain DNS server. Are both machines the same model?
        A couple of questions:
        1. Are both computers running the same version of the OS?
        2. Is network discovery enabled on both computers?
        3. Are both computers set to private network? A computer set to public will not allow a connection as it is not discoverable on the network but will work with the IP address.
        4. Are both machines running the latest firmware? Recent changes in Windows updates have changed the SMB protocol so older versions of firmware do not work.
        5. What SMB protocol version is enabled on each unit? SMB v1 will not work on later windows systems.
        Hope this helps in getting started in the right direction.

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        • adecanmin
          Trusted Tech

          Site Contributor
          250+ Posts
          • Oct 2010
          • 276

          #5
          Re: Why can some computers use the name for SMB while others need the IP

          Thanks for the responses. My original post looked as though it was 2 copiers. It is one copier, a c3850 that will scan SMB 2.0. The computers in question are a Dell and an HP. They are both windows 10. I don't know what version of 10 they are running. I'm assuming the copier is configured properly since one computer will receive scans using the name. I have another customer with the same scenario. One copier, some machines (windows 10) will scan using the name while others can't. They are on the same network. With this customer I was able to get into the router and configure a DHCP reservation for the computer. More times then not the customer does not have the password to the router so I can't get in there to give the computer a static DHCP reservation.

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          • rrrohan
            Service Manager

            Site Contributor
            1,000+ Posts
            • Sep 2011
            • 1971

            #6
            Re: Why can some computers use the name for SMB while others need the IP

            is LLMNR enabled on the copier?

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            • adecanmin
              Trusted Tech

              Site Contributor
              250+ Posts
              • Oct 2010
              • 276

              #7
              Re: Why can some computers use the name for SMB while others need the IP

              Not sure. I can check that next time I'm there. I checked my personal c3850 and it is enabled. I'm thinking it is enabled by default.

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              • BillyCarpenter
                Field Supervisor

                Site Contributor
                VIP Subscriber
                10,000+ Posts
                • Aug 2020
                • 14764

                #8
                Re: Why can some computers use the name for SMB while others need the IP

                Originally posted by blackcat4866
                Maybe someone will correct me on this, but I have always assumed that issues with host name resolution originate at the DNS server. =^..^=

                That's where he needs to start. I'd do a NSLOOKUP followed by followed by the IP address of the copier. Exp.: NSLOOKUP 192.162.1.150.

                If everything is working correctly, it should return the IP address of the copier and the hostname.
                Last edited by BillyCarpenter; 02-25-2021, 03:54 AM.
                Adversity temporarily visits a strong man but stays with the weak for a lifetime.

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                • bsm2
                  IT Manager

                  25,000+ Posts
                  • Feb 2008
                  • 27454

                  #9
                  Re: Why can some computers use the name for SMB while others need the IP

                  You can try and disable ipv6 on the nic of the PC than it will only use ipv4

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                  • adecanmin
                    Trusted Tech

                    Site Contributor
                    250+ Posts
                    • Oct 2010
                    • 276

                    #10
                    Re: Why can some computers use the name for SMB while others need the IP

                    I'll check those things.

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                    • BillyCarpenter
                      Field Supervisor

                      Site Contributor
                      VIP Subscriber
                      10,000+ Posts
                      • Aug 2020
                      • 14764

                      #11
                      Re: Why can some computers use the name for SMB while others need the IP

                      You can also try to flush DNS.

                      ipconfig/flushdns
                      Adversity temporarily visits a strong man but stays with the weak for a lifetime.

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                      • slimslob
                        Retired

                        Site Contributor
                        25,000+ Posts
                        • May 2013
                        • 35067

                        #12
                        Re: Why can some computers use the name for SMB while others need the IP

                        Originally posted by adecanmin
                        Thanks for the responses. My original post looked as though it was 2 copiers. It is one copier, a c3850 that will scan SMB 2.0. The computers in question are a Dell and an HP. They are both windows 10. I don't know what version of 10 they are running. I'm assuming the copier is configured properly since one computer will receive scans using the name. I have another customer with the same scenario. One copier, some machines (windows 10) will scan using the name while others can't. They are on the same network. With this customer I was able to get into the router and configure a DHCP reservation for the computer. More times then not the customer does not have the password to the router so I can't get in there to give the computer a static DHCP reservation.
                        NetBios name resolution is based on Workgroup/Domain membership and primary DNS. Check those settings on the computer that you can scan to using its name and change the other to match.

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                        • adecanmin
                          Trusted Tech

                          Site Contributor
                          250+ Posts
                          • Oct 2010
                          • 276

                          #13
                          Re: Why can some computers use the name for SMB while others need the IP

                          Originally posted by slimslob
                          NetBios name resolution is based on Workgroup/Domain membership and primary DNS. Check those settings on the computer that you can scan to using its name and change the other to match.
                          Where would I look to find those settings?

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                          • adecanmin
                            Trusted Tech

                            Site Contributor
                            250+ Posts
                            • Oct 2010
                            • 276

                            #14
                            Re: Why can some computers use the name for SMB while others need the IP

                            This particular network is a WORKGROUP

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                            • Phil B.
                              Field Supervisor

                              10,000+ Posts
                              • Jul 2016
                              • 22808

                              #15
                              Re: Why can some computers use the name for SMB while others need the IP

                              Originally posted by adecanmin
                              This particular network is a WORKGROUP
                              that info should have been shared about 15 messages ago.

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