Get-Hostはinvoke-commandで実行すると、なぜか同じバージョン情報を返してくる。Enter-PSSessionで実行しても同じだった。

PCXX is Windows11.
PCYY is Windows10.
localhost is Windows8.1.

PS >(get-host).version

Major  Minor  Build  Revision
-----  -----  -----  --------
5      1      14409  1027


PS >$h = ( get-content .\hosts.txt )
PS >$h
PCXX
PCYY
localhost

PS >invoke-command -computername $h -scriptblock { (get-host).version }

Major  Minor  Build  Revision PSComputerName
-----  -----  -----  -------- --------------
1      0      0      0        localhost
1      0      0      0        PCXX
1      0      0      0        PCYY


PS >invoke-command -computername $h -scriptblock { [system.environment]::osversion }


PSComputerName : PCXX
RunspaceId     : **********
Platform       : Win32NT
ServicePack    :
Version        : 10.0.22621.0
VersionString  : Microsoft Windows NT 10.0.22621.0

PSComputerName : localhost
RunspaceId     : ***********
Platform       : Win32NT
ServicePack    :
Version        : 6.3.9600.0
VersionString  : Microsoft Windows NT 6.3.9600.0

PSComputerName : PCYY
RunspaceId     : **********
Platform       : Win32NT
ServicePack    :
Version        : 10.0.19044.0
VersionString  : Microsoft Windows NT 10.0.19044.0

Why?