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    Unable to install .Net 3.5 on a new Windows 10 install

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    • MattSpellerM
      MattSpeller @JaredBusch
      last edited by

      @JaredBusch said in Unable to install .Net 3.5 on a new Windows 10 install:

      @MattSpeller said in Unable to install .Net 3.5 on a new Windows 10 install:

      I had similar issues, turned out W10 had it installed already. Try your install without it.

      Tis not installed. note the Windows feature screenshot above.

      0.o

      I shouldn't be working right now, good grief

      1 Reply Last reply Reply Quote 1
      • thwrT
        thwr
        last edited by thwr

        dism sxs fails? That's ugly...

        Have you seen this (blocking GPO)? http://superuser.com/questions/946988/cant-install-net-3-5-on-windows-10#comment1449644_947660

        Edit: Won't help I think. GPO is about loading additional dependencies directly from Windows Update. Shouldn't relate to offline sxs.

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

          @thwr said in Unable to install .Net 3.5 on a new Windows 10 install:

          dism sxs fails? That's ugly...

          Have you seen this (blocking GPO)? http://superuser.com/questions/946988/cant-install-net-3-5-on-windows-10#comment1449644_947660

          Edit: Won't help I think. GPO is about loading additional dependencies directly from Windows Update. Shouldn't relate to offline sxs.

          That GPO would make sure that MS servers were contacted. I set it anyway. no difference online or media.

          thwrT J 2 Replies Last reply Reply Quote 1
          • thwrT
            thwr @JaredBusch
            last edited by

            @JaredBusch yeah, sorry, realized it the second after hitting "submit".

            Still not able to install? Any errors in the event log?

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

              @thwr said in Unable to install .Net 3.5 on a new Windows 10 install:

              @JaredBusch yeah, sorry, realized it the second after hitting "submit".

              Still not able to install? Any errors in the event log?

              Not worth the time to figure out anymore. Told Windows to reset. Do not have physical access right now.

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

                Windows reset completed, enabled .Net 35 first, worked perfectly.

                Up yours Microsoft.

                M 1 Reply Last reply Reply Quote 6
                • nadnerBN
                  nadnerB
                  last edited by

                  I'm pretty sure when I had this issue, sfc /scannow did the trick.
                  It was a while ago though...

                  1 Reply Last reply Reply Quote 1
                  • J
                    Jason Banned @JaredBusch
                    last edited by

                    @JaredBusch said in Unable to install .Net 3.5 on a new Windows 10 install:

                    @thwr said in Unable to install .Net 3.5 on a new Windows 10 install:

                    dism sxs fails? That's ugly...

                    Have you seen this (blocking GPO)? http://superuser.com/questions/946988/cant-install-net-3-5-on-windows-10#comment1449644_947660

                    Edit: Won't help I think. GPO is about loading additional dependencies directly from Windows Update. Shouldn't relate to offline sxs.

                    That GPO would make sure that MS servers were contacted. I set it anyway. no difference online or media.

                    That GPO Never seems to work..

                    1 Reply Last reply Reply Quote 1
                    • M
                      MangoGeorge @JaredBusch
                      last edited by

                      @jaredbusch, 1803 fresh install doing the same thing, fresh iso downloaded via latest Media Creation Tool for the source location.
                      Tried numerous options including an installer program, a command line to install a specified package, and copying the sxs folder locally instead of mounted iso.

                      nadnerB's suggestion to run sfc didn't do anything, but runnings DISM /Online /Cleanup-Image /RestoreHealth appears to have done the trick. Net 3.5 finally installed successfully and didn't require a reset and repeat of 3 hours' setup.

                      F 1 Reply Last reply Reply Quote 1
                      • F
                        flaxking @MangoGeorge
                        last edited by

                        @mangogeorge

                        I wonder if you could grab the cab file without needing to get it from the iso

                        https://github.com/Microsoft/dotnet-framework-docker/blob/master/3.5/runtime/windowsservercore-ltsc2016/Dockerfile

                        the download URI used in the script does seem to be specific to ltsc2016, but I wonder if that matters

                        1 Reply Last reply Reply Quote 0
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