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    Windows Server 2025 on XCP-ng

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    • G
      Greg_E @Chemikant784
      last edited by

      @Chemikant784

      I noticed the installer when I was trying to update from the 9.3.3 to 9.4 agent, didn't know about schedulers being locked up.

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        archw @Chemikant784
        last edited by

        @Chemikant784
        So with this being patch Tuesday, two updates got installed:

        2024-11 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5046617)
        2024-11 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5045934)

        For whatever reason, those processes are no longer showing up and I can run things from the scheduler??

        If you updated tonight, did yours go away?

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          Chemikant784 @archw
          last edited by

          @archw
          Hi, i thought the same today so i gave a try. But unfortunately at my test server fully patched with fresh ADDC on it there are the same issues present. But i have to say that i did not a detailed test at this time.

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          • D
            dinhngtu Vates 🪐 XCP-ng Team
            last edited by

            The latest WS2025 patches fixed the issue for me.

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              Greg_E @dinhngtu
              last edited by

              @dinhngtu

              Thanks, I'll have to give this a try when I get some time, I can set it up on the gigabit network on my lab. Might even do this today because it's a task I can do while getting interrupted.

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                Greg_E @Greg_E
                last edited by Greg_E

                @Greg_E

                Ok, this was again not as straight forward as we might like. System as follows:

                XCP-NG 8.3 (current)
                vTPM, vUEFI, vSecureboot
                NFS share
                Management Agent 9.4
                Server 2025 with November 2024 cumulative update applied (not important)
                AD DS, DNS, DHCP installed and configured

                After several reboots I was still getting the problem:
                server2025-3.png

                Thinking a little more, I decided to switch from Automatic to Automatic (Delayed Start)

                The delayed start seems to have fixed the issue for me:
                server2025-4.png

                I've had this issue before with other services, we handle audio and video devices which have some demanding start routines so I should have thought of this earlier. Simply changing to delayed start lets another necessary service start which then allows the MA to start.

                Also, the horrible lagging I mentioned earlier was from a Truenas issue that I didn't know about until a couple days ago, patch your Electric Eel if you haven't done this yet. It's still a little laggy, but not like it was when I mentioned the problem before. All work so far has been through the XO console which is running on an old HP T630 which is pretty slow.

                Going to monitor this for a while before I dig too deeply into setting this up, it's my second physical network on my lab which is also the second physical network on my VMware system, I'm sure I'll need to do more configuration than just DNS and DHCP down the road. I'll probably form a trust with the first network AD DS, just to give that some practice and see what 2025 might bring. Eventually I'll need to upgrade my production network to 2025, so I'm justifying the time spent in research for the future, I'm already Windows 11 for all my clients, so Server 2025 should play more nicely and might bring some features back that they removed from 2022 (some GPO to start).

                server2025-5.png

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                  Chemikant784 @Greg_E
                  last edited by

                  @Greg_E
                  Hi Greg_E

                  Thanks for your detailed report and informations 🙂 I will try it with delayed start. It could be a solution indeed. When i have news on this, i will share it here.

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                    Chemikant784 @Chemikant784
                    last edited by

                    My three test systems seems to work properly when the management agent start type is set to delayed. So i think this can be a workaround for the moment.

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                      Greg_E @Chemikant784
                      last edited by

                      @Chemikant784

                      Since it doesn't seem to hurt anything, maybe it should get pushed up the chain to Xenserver and have them just change the MA installer to make this delayed start. But for now maybe this needs to be a note in the documentation that the user may need to change to delayed start for Windows 2025 running any parts of AD. If there are clearer images needed, let us know and one of us will grab some. Fell free to use my images in this thread in the official documentation if desired/needed. Should probably work up a few showing what this looks like from "normal" server view (no GUI), because as we know (people keep telling me) real admins don't use a GUI!
                      (aside, if that's true, why does Xen Orchestra exist??? Why does vCenter??? Why does Prism??? 😉 )

                      Also keep an eye on your server 2022, you never know when Microsoft will push a "fix" for something in AD and break the MA on currently working systems. We all know they have a habit of doing things like this. But I have a feeling it is the functional level of 2025 that is breaking this, something that should probably be tested but I don't have the time right now to delete it and set it back up at functional level 2016 and see what happens.

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                      • G
                        Greg_E @Greg_E
                        last edited by

                        @Greg_E

                        Also I should say that I've rebooted many times and still OK, going to leave it baking while I get on to other things.

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