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    Hyper-V Manager connection issues on Windows 10 1709

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    windows 10 windows 10 1709
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    • AdamFA
      AdamF
      last edited by scottalanmiller

      I have been managing a Hyper-V box for over a year, in a workgroup environment, from a Windows box. All of a sudden, I now have lost access to it.

      I receive the message: "Access denied. Unable to establish communication between HVHP01 and Laptop."

      I have verified that the HV server is added to the trusted hosts list, and I have also added my correct Windows credentials. I also checked that DCOM permissions are set correctly.

      Something caused this to stop working. Perhaps a Windows update?

      I thought I saw a step by step procedure on here once that outlined the needed steps for HV management in a workgroup environment, but I cannot find it. Anyone else ever run into this issue?

      black3dynamiteB ObsolesceO 2 Replies Last reply Reply Quote 0
      • black3dynamiteB
        black3dynamite @AdamF
        last edited by

        @fuznutz04 said in Hyper-V Manager connection issues:

        I have been managing a Hyper-V box for over a year, in a workgroup environment, from a Windows box. All of a sudden, I now have lost access to it.

        I receive the message: "Access denied. Unable to establish communication between HVHP01 and Laptop."

        I have verified that the HV server is added to the trusted hosts list, and I have also added my correct Windows credentials. I also checked that DCOM permissions are set correctly.

        Something caused this to stop working. Perhaps a Windows update?

        I thought I saw a step by step procedure on here once that outlined the needed steps for HV management in a workgroup environment, but I cannot find it. Anyone else ever run into this issue?

        I started having issues since upgrading to Windows 10 1709. Have you tried turning off the firewall to see if you can connect?

        AdamFA 1 Reply Last reply Reply Quote 0
        • AdamFA
          AdamF @black3dynamite
          last edited by

          @black3dynamite said in Hyper-V Manager connection issues:

          @fuznutz04 said in Hyper-V Manager connection issues:

          I started having issues since upgrading to Windows 10 1709. Have you tried turning off the firewall to see if you can connect?

          That is the same version of Windows I am on as well. I disabled the firewall, but no change.

          black3dynamiteB 1 Reply Last reply Reply Quote 0
          • black3dynamiteB
            black3dynamite @AdamF
            last edited by

            @fuznutz04 said in Hyper-V Manager connection issues:

            @black3dynamite said in Hyper-V Manager connection issues:

            @fuznutz04 said in Hyper-V Manager connection issues:

            I started having issues since upgrading to Windows 10 1709. Have you tried turning off the firewall to see if you can connect?

            That is the same version of Windows I am on as well. I disabled the firewall, but no change.

            Do you have your server listed in TrustedHosts?
            Get-Item WSMan:\localhost\Client\TrustedHosts

            AdamFA 1 Reply Last reply Reply Quote 0
            • AdamFA
              AdamF @black3dynamite
              last edited by

              @black3dynamite said in Hyper-V Manager connection issues:

              @fuznutz04 said in Hyper-V Manager connection issues:

              @black3dynamite said in Hyper-V Manager connection issues:

              @fuznutz04 said in Hyper-V Manager connection issues:

              I started having issues since upgrading to Windows 10 1709. Have you tried turning off the firewall to see if you can connect?

              That is the same version of Windows I am on as well. I disabled the firewall, but no change.

              Do you have your server listed in TrustedHosts?
              Get-Item WSMan:\localhost\Client\TrustedHosts

              Yep, it is listed in there.

              1 Reply Last reply Reply Quote 0
              • ObsolesceO
                Obsolesce @AdamF
                last edited by

                @fuznutz04 said in Hyper-V Manager connection issues:

                I thought I saw a step by step procedure on here once that outlined the needed steps for HV management in a workgroup environment, but I cannot find it. Anyone else ever run into this issue?

                There was... Not sure where it is.

                Can you remote PowerShell to it?

                AdamFA 1 Reply Last reply Reply Quote 0
                • AdamFA
                  AdamF @Obsolesce
                  last edited by

                  @tim_g said in Hyper-V Manager connection issues:

                  @fuznutz04 said in Hyper-V Manager connection issues:

                  I thought I saw a step by step procedure on here once that outlined the needed steps for HV management in a workgroup environment, but I cannot find it. Anyone else ever run into this issue?

                  There was... Not sure where it is.

                  Can you remote PowerShell to it?

                  Yes, I can remote PowerShell into it.

                  ObsolesceO 1 Reply Last reply Reply Quote 0
                  • ObsolesceO
                    Obsolesce @AdamF
                    last edited by

                    @fuznutz04 said in Hyper-V Manager connection issues:

                    @tim_g said in Hyper-V Manager connection issues:

                    @fuznutz04 said in Hyper-V Manager connection issues:

                    I thought I saw a step by step procedure on here once that outlined the needed steps for HV management in a workgroup environment, but I cannot find it. Anyone else ever run into this issue?

                    There was... Not sure where it is.

                    Can you remote PowerShell to it?

                    Yes, I can remote PowerShell into it.

                    Oh, well what more do you need? 🙂

                    Try a:
                    Get-VM | FT -AutoSize

                    ...and this will be your friend:
                    Get-Command -Noun *vm*

                    AdamFA 1 Reply Last reply Reply Quote 1
                    • AdamFA
                      AdamF @Obsolesce
                      last edited by

                      @tim_g said in Hyper-V Manager connection issues:

                      Get-VM | FT -AutoSize

                      Well, that will work for now. 🙂

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

                        Tag this thread Windows 1709 and also update the subject line.

                        This is clearly yet another 1709 issue.

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

                          @fuznutz04 said in Hyper-V Manager connection issues:

                          I also checked that DCOM permissions are set correctly.

                          Yeah, I read that 1709 completely changes the network stack. It's what supposedly causing my mis-reporting info for my AV and firewall.

                          black3dynamiteB 1 Reply Last reply Reply Quote 0
                          • black3dynamiteB
                            black3dynamite @Dashrender
                            last edited by black3dynamite

                            @dashrender said in Hyper-V Manager connection issues:

                            @fuznutz04 said in Hyper-V Manager connection issues:

                            I also checked that DCOM permissions are set correctly.

                            Yeah, I read that 1709 completely changes the network stack. It's what supposedly causing my mis-reporting info for my AV and firewall.

                            My firewall had to be reconfigured so I can reconnect Hyper-V Manager to Hyper-V 2012 R2. I had no issue connecting to Hyper-V 2016.

                            AdamFA 1 Reply Last reply Reply Quote 0
                            • scottalanmillerS
                              scottalanmiller @JaredBusch
                              last edited by

                              @jaredbusch said in Hyper-V Manager connection issues:

                              Tag this thread Windows 1709 and also update the subject line.

                              This is clearly yet another 1709 issue.

                              Done

                              1 Reply Last reply Reply Quote 0
                              • AdamFA
                                AdamF @black3dynamite
                                last edited by

                                @black3dynamite said in Hyper-V Manager connection issues on Windows 10 1709:

                                @dashrender said in Hyper-V Manager connection issues:

                                @fuznutz04 said in Hyper-V Manager connection issues:

                                I also checked that DCOM permissions are set correctly.

                                Yeah, I read that 1709 completely changes the network stack. It's what supposedly causing my mis-reporting info for my AV and firewall.

                                My firewall had to be reconfigured so I can reconnect Hyper-V Manager to Hyper-V 2012 R2. I had no issue connecting to Hyper-V 2016.

                                Do you remember what settings you changed (and where) so you can connect to HyperV 2012R2 again?

                                1 Reply Last reply Reply Quote 0
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