Windows PowerShell 1.0 for Windows Vista

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As Jeffery promised to you folks, today we have offically released Windows PowerShell 1.0 for Microsoft Windows Vista. Thanks to everyone for patiently waiting for this release.

To download Windows PowerShell 1.0 for Windows Vista, please visit the following links:

For more details, please visit the following links:

Enjoy Windows Vista and Windows PowerShell

Hemant Mahawar [MSFT]
Program Manager
Windows PowerShell

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  • Yes !, It's there :

  • That is great news indeed - maybe I should upgrade my XP to Vista after all?

  • In the tracks of Vista being officially released today, the availablility of PowerShell 1.0 for x86 and

  • Hmm, when I try to install it, I get an error message that says "This machine is disabled for file encryption"


  • When I try to install, I get a "Windows Update Standalone Installer" error box.  Installer encountered an error: 0x8007177f .  This machine is disabled for file encryption.

    Does my machine need to be able to do EFS to install PowerShell, or am I missing something else?

  • Thanks much guys, job well done! I want to personally thank you for saving me countless hours every day, and for exposing an interface that lets me use the system as if I was a part of it. Truly an example of how one small part changes the whole.

    James Pogran

  • I tried to install it on a german version of Vista RC2 and only got the error message that "this update is not suitable for your system" (my translation). Any hints what I miss here?



  • Failed to install Windows6.0-KB928439-x64 (Windows PowerShell 1.0 Installation Package for Windows Vista x64) on Longhorn Server 6001 x64 : "The update does not apply to your system"

    On PowerShell website, we can see that this release should work for both Vista/Longhorn... but on the download page, only Vista versions are displayed...

    Any idea?



  • Another person that has got the Windows Update Standalone Installer Error.

    This machine is disabled for File encryption.

  • Regarding the install failures related to file encryption, this is due to a known issue with the installer.

    The workaround is to enable EFS on your machine for a short time and install the package.

    To enable EFS, press Windows-R and start gpedit.msc. Browse to Computer Configuration -> Windows Settings -> Security Settings -> Public Key Policies -> Encrypting File System -> (right-click) Properties, and set the EFS state to “Allow”.

    To verify that the above worked, press Windows-R and start rsop.msc. Browse to the same path as above, and verify the setting.

    If your domain administrator has disabled EFS, then you will not be able to enable it locally. In that case, you will have to depart the domain, complete the install, then rejoin the domain.

    Apologies for the inconvenience. We are working on a fix for the issue.

  • The original post was titled Ultimate Extras vs PowerShell as I felt a little cheated seeing Hold'Em

  • This release if only for Windows Vista RTM version. The installer will not work on any previous releases, including Windows Vista RC2 or any "Longhorn" Server builds.

    Hemant Mahawar [MSFT]

    Program Manager

    Windows PowerShell

  • The Windows PowerShell team has shipped version 1.0 of their client for Windows Vista. If you not familiar

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Windows PowerShell 1.0 for Windows Vista