[Nut-upsuser] NUT and hyper-V

Jim Klimov jimklimov at gmail.com
Sun Jun 13 17:33:11 BST 2021

Actually there was some interest expressed lately about NUT on Windows from
various requests, so I hope someone in the community would have time and
resources to look into that, but I have no gauge currently on how different
variants behave or were built at all. Note that the latest Windows-related
development in main repository was based on branches derived from NUT
2.6.5, so quite long ago even compared to latest official release 2.7.4
which is a few too many years old now.

For reference, the sentence "I have installed the NUT windows binary with
no problems" - which installer (URL, version) does it refer to?

Also, "I fixed this by copying open SSL dlls" - which version of the DLLs
and where did they come from (delivered with NUT installer or
elsewhere?)... I wonder if for these, there is just an ABI mismatch of
probably openssl-0.x supported by NUT back then, and possibly a newer
openssl-1.0.x or 1.1.x that you might find nowadays, and if the binary
bitness is matched (all 32-bit or all 64-bit in the stack). At least, it
might explain the error message for application startup failure.


On Thu, Jun 10, 2021 at 3:42 AM Durham Computer Solutions Inc. <
ed at durhamcomputer.com> wrote:

> I am trying to get NUT to work with Hyper-V Server 2019 (free version of
> Hyper-V, basically Server 2019 Core)
> I have installed the NUT windows binary with no problems.  I have
> configured NUT on the Hyper-V server as a slave.
> Windows NUT Service starts up okay.  I am trying to use upsc.exe from the
> commandline to check the status of the master UPS.
> At first I got some missing DLL errors.  I fixed this by copying open SSL
> dlls to the windows folder.
> Now when I try to run upsc.exe I just get an error :
> The application was unable to start correctly (0xc000007b)
> Windows event log didn’t show anything more.
> _______________________________________________
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> Nut-upsuser at alioth-lists.debian.net
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