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    Hyper-V VM unable to ping gateway but host can

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    • wirestyle22W
      wirestyle22 @coliver
      last edited by

      @coliver said in Hyper-V VM unable to ping gateway but host can:

      @wirestyle22 said in Hyper-V VM unable to ping gateway but host can:

      Morning everyone.

      @JaredBusch I did specify the virtual switch

      We're running Hyper-V version 6.1.7601.17514 on a Dell Poweredge 2900 on Windows Server 2008 R2. I was asked to look at it as a second pair of eyes but nothing immediately jumped out at me until I saw this:

      0_1483450946862_Capture.JPG

      You'll notice that I can't expand the network adapter. I think this is due to the fact that the host machine is running 2008 R2, but I haven't actually attempted to run a Hypervisor in it--every other VM host we have is 2012.

      Is this correct?

      Any conflicts with that mac address on the network?

      No there isn't

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      • wirestyle22W
        wirestyle22 @dafyre
        last edited by wirestyle22

        @dafyre said in Hyper-V VM unable to ping gateway but host can:

        Check and make sure the vSwitch is an external vSwitch.

        Is this the only VM on this host?

        It's external

        They are using this as a very small file server in addition to the VM but it's the only VM hosted currently.

        DashrenderD 1 Reply Last reply Reply Quote 0
        • DashrenderD
          Dashrender @wirestyle22
          last edited by

          @wirestyle22 said in Hyper-V VM unable to ping gateway but host can:

          @dafyre said in Hyper-V VM unable to ping gateway but host can:

          Check and make sure the vSwitch is an external vSwitch.

          Is this the only VM on this host?

          They are using this as a very small file server in addition to the VM but it's the only VM hosted currently.

          Why does it have a static MAC? I know nothing of Hyper-V setups, but that seems odd unless they P2V'ed the VM.

          wirestyle22W 1 Reply Last reply Reply Quote 0
          • wirestyle22W
            wirestyle22 @Dashrender
            last edited by

            @Dashrender said in Hyper-V VM unable to ping gateway but host can:

            @wirestyle22 said in Hyper-V VM unable to ping gateway but host can:

            @dafyre said in Hyper-V VM unable to ping gateway but host can:

            Check and make sure the vSwitch is an external vSwitch.

            Is this the only VM on this host?

            They are using this as a very small file server in addition to the VM but it's the only VM hosted currently.

            Why does it have a static MAC? I know nothing of Hyper-V setups, but that seems odd unless they P2V'ed the VM.

            I had it set to dynamic before, it was just a test.

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            • DashrenderD
              Dashrender
              last edited by

              Have you tried removing the virtual NIC and reinstall it?

              wirestyle22W 1 Reply Last reply Reply Quote 0
              • wirestyle22W
                wirestyle22 @Dashrender
                last edited by wirestyle22

                @Dashrender said in Hyper-V VM unable to ping gateway but host can:

                Have you tried removing the virtual NIC and reinstall it?

                Yes I did. I'm wondering if this has anything to do with the fact that the Dell Poweredge 2900 was one of the first generations to support Hyper-V.

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                • DashrenderD
                  Dashrender
                  last edited by

                  Can you see the vSwitch in the Hyper-V setup itself?

                  wirestyle22W 1 Reply Last reply Reply Quote 0
                  • wirestyle22W
                    wirestyle22 @Dashrender
                    last edited by

                    @Dashrender You mean in the Virtual Network Manager?

                    1 Reply Last reply Reply Quote 0
                    • wirestyle22W
                      wirestyle22
                      last edited by

                      This is what I see.
                      0_1483453692920_Capture.JPG

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                      • wirestyle22W
                        wirestyle22
                        last edited by

                        I really think that this is because the host is 2008 R2 but I don't have enough experience to definitively say that with zero doubt.

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                        • DashrenderD
                          Dashrender
                          last edited by

                          I'm not sure if Hyper-V 2008 R2 supports a Server 2012 VM or not. that could be the issue.

                          1 Reply Last reply Reply Quote 0
                          • wirestyle22W
                            wirestyle22
                            last edited by wirestyle22

                            Yup. That is the case. https://msdn.microsoft.com/en-us/library/cc794868(v=ws.10).aspx

                            Thanks guys.

                            1 Reply Last reply Reply Quote 0
                            • DashrenderD
                              Dashrender
                              last edited by

                              Well the good thing is - you can upgrade the hypervisor for free. shut the VM down, copy it somewhere else, wipe the host, reinstall Hyper-V 2016 server, copy the VM back, tada. 🙂

                              wirestyle22W 1 Reply Last reply Reply Quote 2
                              • wirestyle22W
                                wirestyle22 @Dashrender
                                last edited by

                                @Dashrender Yeah that's basically my plan. I'm glad I rad into this. My co-worker tried and I had never attempted to do this before. It's good to know.

                                1 Reply Last reply Reply Quote 0
                                • DashrenderD
                                  Dashrender
                                  last edited by

                                  My bigger question is - why was he deploying a single VM onto a 5 year old hypervisor, when upgrading/installing the latest is free?

                                  Oh, I'd skip 2012R2 at this point as well, and go straight to Hyper-V 2016.

                                  wirestyle22W 1 Reply Last reply Reply Quote 1
                                  • wirestyle22W
                                    wirestyle22 @Dashrender
                                    last edited by wirestyle22

                                    @Dashrender I'm not sure. I think it was for a timeclock so they just wanted something setup quickly. I don't even know if he's the person who did the initial install. We took over for another company and are still finding stuff.--

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