A Windows Server 2016 running in Hyper-V has failed and appears to be corrupted (at the time of writing I was able to start it and SOME services are available, but it's showing the spinning circle on blue background with no text and doesn't permit RDP / desktop access).
Since this is a virtual server, I was able to mount the VHDX of this server to attempt repairs. I've ran CHKDSK to fix any NTFS-level issues and then went on to try and fix the OS itself with DISM.
Alas, DISM is failing because it's lacking the required sources. The exact command I attempted was dism /image:f:\ /cleanup-image /restorehealth and I've since tried adding different /source values to it. I've tried it with the official Windows Server 2016 installation ISO (/source:wim:g:\sources\install.wim:2), I've tried it by providing a path to other Windows Server 2016 installations in our network (\\other-windows-server\c$\Windows and the same with Windows\WinSxS) and I've tried downloading numerous different installation ISOs from MS (my.visualstudio.com subscription). In all of these cases DISM failed with the following error:
Error: 0x800f081f
The source files could not be found.
Looking at the DISM.log file the same files seem to be missing:
=================================
Checking System Update Readiness.
(p) CSI Payload Corrupt amd64_microsoft-windows-shell32_31bf3856ad364e35_10.0.14393.1794_none_e1adcedb6cb8eae3\apps.inf
Repair failed: Missing replacement payload.
(p) CSI Payload Corrupt amd64_microsoft-windows-apisetschema-server_31bf3856ad364e35_10.0.14393.1715_none_61379ad2ce2e3654\apisetschema.dll
Repair failed: Missing replacement payload.
(p) CSI Payload Corrupt amd64_microsoft-windows-pnpsysprep_31bf3856ad364e35_10.0.14393.479_none_7b790dc55511835d\sppnp.dll
Repair failed: Missing replacement payload.
Any idea where to get these missing files and how to get DISM to play nice and fix the corrupted installation?
