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    Domain Time off for some members

    IT Discussion
    server 2012 r2 windows time ntp domain vmware
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    • DustinB3403D
      DustinB3403 @Donahue
      last edited by

      @Donahue said in Domain Time off for some members:

      hypervisor or host?

      The hypervisor is a type 1, yes? Hyper-V, ESXi, XenServer or XCP-NG or KVM? (the hypervisor and host should be one in the same)

      1 Reply Last reply Reply Quote 0
      • DustinB3403D
        DustinB3403 @Dashrender
        last edited by

        @Dashrender said in Domain Time off for some members:

        @Donahue said in Domain Time off for some members:

        hypervisor or host?

        Those are generally the same thing.

        Damn are we reading each other's minds today!

        1 Reply Last reply Reply Quote 0
        • DonahueD
          Donahue
          last edited by

          ok, host time was wrong, but it was way wrong, more than the 6 minutes. How do I tell ESXi not to sync with host?

          DashrenderD DustinB3403D 2 Replies Last reply Reply Quote 0
          • DashrenderD
            Dashrender @Donahue
            last edited by

            @Donahue said in Domain Time off for some members:

            ok, host time was wrong, but it was way wrong, more than the 6 minutes. How do I tell ESXi not to sync with host?

            That's the wrong thing to look at. You want your VM's to not sync with ESXi. And maybe you don't want ESXi to sync with the hardwarde (because you can sync to the internet).

            In the settings for VMWare tools in the VMs there should be setting - sync with ESXi or something... disable that.

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            • DustinB3403D
              DustinB3403 @Donahue
              last edited by

              @Donahue said in Domain Time off for some members:

              ok, host time was wrong, but it was way wrong, more than the 6 minutes. How do I tell ESXi not to sync with host?

              You can set your guests time server to be something other than the host.

              1 Reply Last reply Reply Quote 0
              • DonahueD
                Donahue
                last edited by

                ok, that setting was already disabled in the VMWare tools options, so that's not the problem.

                JaredBuschJ 1 Reply Last reply Reply Quote 0
                • JaredBuschJ
                  JaredBusch @Donahue
                  last edited by JaredBusch

                  @Donahue said in Domain Time off for some members:

                  ok, that setting was already disabled in the VMWare tools options, so that's not the problem.

                  Fix it anyway. The host time needs to be right.

                  Also, your VM sets time on boot to that even if that option is not checked. Until the VM network comes online and sets itself to whatever source it has.

                  DonahueD 1 Reply Last reply Reply Quote 1
                  • DonahueD
                    Donahue
                    last edited by

                    The host time has been set correctly, but I don't think that was the source of the problem. Time Sync.PNG

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                    • DonahueD
                      Donahue @JaredBusch
                      last edited by

                      @JaredBusch said in Domain Time off for some members:

                      Also, your VM sets time on boot to that even if that option is not checked. Until the VM network comes online and sets itself to whatever source it has.

                      But this VM has not been rebooting, it just keeps changing while running.

                      JaredBuschJ 1 Reply Last reply Reply Quote 0
                      • JaredBuschJ
                        JaredBusch @Donahue
                        last edited by

                        @Donahue said in Domain Time off for some members:

                        @JaredBusch said in Domain Time off for some members:

                        Also, your VM sets time on boot to that even if that option is not checked. Until the VM network comes online and sets itself to whatever source it has.

                        But this VM has not been rebooting, it just keeps changing while running.

                        Didn't say it was. Just saying fix this problem also.

                        DonahueD 1 Reply Last reply Reply Quote 0
                        • DonahueD
                          Donahue @JaredBusch
                          last edited by

                          @JaredBusch said in Domain Time off for some members:

                          @Donahue said in Domain Time off for some members:

                          @JaredBusch said in Domain Time off for some members:

                          Also, your VM sets time on boot to that even if that option is not checked. Until the VM network comes online and sets itself to whatever source it has.

                          But this VM has not been rebooting, it just keeps changing while running.

                          Didn't say it was. Just saying fix this problem also.

                          oh ok, I understand.

                          I feel like maybe there is some sort of group policy that should be set to make this sync work correctly, and that somehow mine is not set. Although, this problem is only recent.

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                          • DonahueD
                            Donahue
                            last edited by

                            I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                            JaredBuschJ 1 Reply Last reply Reply Quote 0
                            • JaredBuschJ
                              JaredBusch @Donahue
                              last edited by JaredBusch

                              @Donahue said in Domain Time off for some members:

                              I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                              Windows could be checking hte hardware clock. This has nothing to do with VM tools settings.

                              And your host (the hardware) was off.

                              But Windows was not moving it too far..

                              Answer: Windows sucks.

                              DashrenderD black3dynamiteB DonahueD 3 Replies Last reply Reply Quote 1
                              • DashrenderD
                                Dashrender @JaredBusch
                                last edited by

                                @JaredBusch said in Domain Time off for some members:

                                @Donahue said in Domain Time off for some members:

                                I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                                Windows could be checking hte hardware clock. This has nothing to do with VM tools settings.

                                And your host (the hardware) was off.

                                But Windows was not moving it too far..

                                Answer: Windows sucks.

                                Interesting - does EXSi not virtualized the hardware clock to itself as well?

                                JaredBuschJ 1 Reply Last reply Reply Quote 0
                                • JaredBuschJ
                                  JaredBusch @Dashrender
                                  last edited by

                                  @Dashrender said in Domain Time off for some members:

                                  @JaredBusch said in Domain Time off for some members:

                                  @Donahue said in Domain Time off for some members:

                                  I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                                  Windows could be checking hte hardware clock. This has nothing to do with VM tools settings.

                                  And your host (the hardware) was off.

                                  But Windows was not moving it too far..

                                  Answer: Windows sucks.

                                  Interesting - does EXSi not virtualized the hardware clock to itself as well?

                                  English please?

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

                                    @JaredBusch said in Domain Time off for some members:

                                    @Dashrender said in Domain Time off for some members:

                                    @JaredBusch said in Domain Time off for some members:

                                    @Donahue said in Domain Time off for some members:

                                    I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                                    Windows could be checking hte hardware clock. This has nothing to do with VM tools settings.

                                    And your host (the hardware) was off.

                                    But Windows was not moving it too far..

                                    Answer: Windows sucks.

                                    Interesting - does EXSi not virtualized the hardware clock to itself as well?

                                    English please?

                                    Does ESXi provide direct access the the real hardware clock, or does it create a virtual HW clock that is basically the time EXSi has itself - which could be different from the real hardware.

                                    DonahueD JaredBuschJ 2 Replies Last reply Reply Quote 0
                                    • DonahueD
                                      Donahue @Dashrender
                                      last edited by

                                      @Dashrender said in Domain Time off for some members:

                                      @JaredBusch said in Domain Time off for some members:

                                      @Dashrender said in Domain Time off for some members:

                                      @JaredBusch said in Domain Time off for some members:

                                      @Donahue said in Domain Time off for some members:

                                      I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                                      Windows could be checking hte hardware clock. This has nothing to do with VM tools settings.

                                      And your host (the hardware) was off.

                                      But Windows was not moving it too far..

                                      Answer: Windows sucks.

                                      Interesting - does EXSi not virtualized the hardware clock to itself as well?

                                      English please?

                                      Does ESXi provide direct access the the real hardware clock, or does it create a virtual HW clock that is basically the time EXSi has itself - which could be different from the real hardware.

                                      how would it do that? I dont think you could have a virtualized clock unless it was tied to some authoritative time sources, and the only two I can think of are the hardware clock and an NTP type clock.

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                                      • black3dynamiteB
                                        black3dynamite @JaredBusch
                                        last edited by

                                        @JaredBusch said in Domain Time off for some members:

                                        Answer: Windows sucks.

                                        😂

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                                        • DonahueD
                                          Donahue @JaredBusch
                                          last edited by

                                          @JaredBusch said in Domain Time off for some members:

                                          @Donahue said in Domain Time off for some members:

                                          I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                                          Windows could be checking hte hardware clock. This has nothing to do with VM tools settings.

                                          And your host (the hardware) was off.

                                          But Windows was not moving it too far..

                                          Answer: Windows sucks.

                                          the host clock was out like 8 hours, because it wasnt set to the correct time zone. Although, maybe it drifted by the 6 minutes and windows itself was correcting for the time zone difference? I now wish I would have looked before I just set it to an NTP source. It might have been the smoking gun I was looking for.

                                          JaredBuschJ 1 Reply Last reply Reply Quote 0
                                          • JaredBuschJ
                                            JaredBusch @Dashrender
                                            last edited by

                                            @Dashrender said in Domain Time off for some members:

                                            @JaredBusch said in Domain Time off for some members:

                                            @Dashrender said in Domain Time off for some members:

                                            @JaredBusch said in Domain Time off for some members:

                                            @Donahue said in Domain Time off for some members:

                                            I just realized it must be related to this host. I recently moved the main VM that I am having a problem with to this host.

                                            Windows could be checking hte hardware clock. This has nothing to do with VM tools settings.

                                            And your host (the hardware) was off.

                                            But Windows was not moving it too far..

                                            Answer: Windows sucks.

                                            Interesting - does EXSi not virtualized the hardware clock to itself as well?

                                            English please?

                                            Does ESXi provide direct access the the real hardware clock, or does it create a virtual HW clock that is basically the time EXSi has itself - which could be different from the real hardware.

                                            The "hardware" clock as far as a VM is concerned is WTF ever the host reports to it when the guest asks.

                                            As for what the host reports? likely whatever time it has. I've never bothered to dig that deep into the stack because it doesn't matter.

                                            You setup your clocks to sync to proper sources and you never have a problem.

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