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    Explains limitations of Windows PowerShell 4.0 on Windows RT 8.1. 


    The Windows RT 8.1 operating system is installed on computers 
    and devices (such as Microsoft Surface 2, on which it is the 
    operating system that ships with the computer) that use Advanced 
    RISC Machine (ARM) processors. 
    Windows PowerShell 4.0 is included in Windows RT 8.1. All cmdlets, 
    providers, and modules, and most scripts designed for Windows  
    PowerShell 2.0 and later releases run on Windows RT 8.1  
    without changes. 
    Because Windows RT 8.1 does not include all Windows features,  
    some Windows PowerShell features work differently or do  
    not work on Windows RT-based devices. The following list 
    explains the differences. 
    -- Windows PowerShell ISE is not included in and cannot run  
       on Windows RT 8.1. Windows PowerShell ISE requires Windows 
       Presentation Foundation, which is not included in  
       Windows RT 8.1. 
    -- Windows PowerShell remoting and the WinRM service  
       are disabled by default. To enable remoting, run the  
       Enable-PSRemoting cmdlet. Also, run the Set-Service 
       cmdlet to set the startup type of the WinRM service  
       to Automatic, or Automatic (Delayed Start). 
       While remoting is disabled, you can use Windows PowerShell 
       remoting to run commands on other computers, but other  
       computers cannot run commands on the Windows RT device. 
       Also, implicit remoting—that is, remoting that is built in 
       to a cmdlet or script, and not explicitly requested with added 
       parameters—does not work in Windows PowerShell running on 
       Windows RT 8.1. 
    -- Domain-joined computing and Kerberos authentication are  
       not supported on Windows RT 8.1. You cannot use Windows PowerShell 
       to add or manage these features. 
    -- Microsoft .NET Framework classes that are not supported  
       on Windows RT 8.1 are also not supported by Windows PowerShell 
       on Windows RT 8.1. 
    -- Transactions are not enabled on Windows RT 8.1. Transaction 
       cmdlets, such as Start-Transaction, and transaction  
       parameters, such as UseTransaction, do not work properly. 
    -- All Windows PowerShell sessions on Windows RT 8.1 devices use 
       the ConstrainedLanguage language mode. ConstrainedLanguage language 
       mode is a companion to User Mode Code Integrity (UMCI). It permits 
       all Windows cmdlets and Windows PowerShell language elements, but 
       restricts types to ensure that users cannot use Windows PowerShell 
       to circumvent or violate the UMCI protections.  
       For more information about ConstrainedLanguage language mode, see  




Windows PowerShell System Requirements: