Win 10 で動作しますが、サーバー 2012 R2 では動作しません。
PS> Get-PSReadlineKeyHandler
Get-PSReadlineKeyHandler : The term 'Get-PSReadlineKeyHandler' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was
included, verify that the path is correct and try again.
At line:1 char:1
+ Get-PSReadlineKeyHandler
+ ~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (Get-PSReadlineKeyHandler:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException
v5 を実行していることを確認できます
PS> $PSVersionTable
Name Value
---- -----
PSVersion 5.0.10586.117
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.10586.117
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1