On 21/10/2025 10:20, Hans-Peter Jansen via Cygwin wrote:
Am Dienstag, 21. Oktober 2025, 01:07:28 Mitteleuropäische Sommerzeit schrieb
matthew patton:
I think the original pebcak was trying to do anything useful with Win2008
aside from throw it into the landfill.

Matthew, yes, of course. This inquiry is part of the final steps to retire the
system.

The M$ docs show that robocopy and
xcopy exist in 2008 R2 so why aren't you using the native tools?

Yes, but the task for rsync is to transfer multiple VMS with 800 GB in total
multiple times. Thus, it requires to transfer the binary delta at different
stages (in between the VMs are being worked on). This won't work with M$ tools
to my knowledge.

I wonder, the nobody ever stumbled upon this:

nothing provides _windows >= 6.3 needed by cygwin-3.6.1-1
Solution 1/1 (default)
   - do not ask to install cygwin-3.6.1-1


_windows is not a real package.

It's synthesized by setup, and it's version is equal to the underlying Windows version (NT 6.3 == Windows 8.1/Server 2012 R2).

So this constraint exists to prevent you from installing the current cygwin DLL onto a Windows version where it will not work (due to relying on unavailable Windows APIs e.g. the "The procedure entry point GetSystemTimePreciseAsFileTime was not found in the DLL KERNEL32.dll" error you quote).

If you bypass that safety check, congratulations, you get to shoot yourself in the foot...


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