The system administrator has set policies to prevent this installation

I was trying to install the Citrix ICA client on a new WS2008 R2 server I had built for home.  The ICA client is a .msi file and everytime I tried to install it I got the message “The system administrator has set policies to prevent this installation”

I am the system administrator with Domain Admin priviledges, and I haven’t set any policies so I couldn’t understand why I was hitting this issue especially since my previous server was a WS2008 R2 server as well I and installed the same programs on it without issue.

Anyway thanks to other contributors on the web the answer turned out to be a DisableMSI reg key I needed.

HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer

REG_DWORD

DisableMSI set to 0

The most helpful site for me was Rick Mitchell’s Stuff at:

http://blog.rickmitchellsolutions.com/2010/01/disablemsi-and-windows-server-2008-r2.html

Thanks Rick.

The issue can happen for any .msi file you try and install on a Win 2008 R2 server.  .EXE install files don’t seem to be a problem.

Other sites suggested adjusting the Enforcement policy under Software Restrictions Policies but this was not the answer for me.

 

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One Response to The system administrator has set policies to prevent this installation

  1. Paul says:

    Thanks, this worked for me.
    There is also a Group Policy setting which enables this registry key
    start Group Policy – gpedit.msc
    Computer Configuration > Administration Templates > Windows Components > Windows Installer
    Find the policy for “Disable Windows Installer”
    Enable this policy and set to “Disable Windows Installer” = Never

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