The client has been installed through the web interface as the user.  We would like to uninstall the 8.4 client to install the new 10.1 client.  The 10.1 client cannot be installed until the 8.4 client has first been uninstalled.  Uninstalling the client using msiexec /x /quiet cannot be used as it is effectively running as the SYSTEM account and not the user account that ran the install - don't ask, this is how it has been written!!  If anyone has an answer I would be extremely grateful

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You *can* manipulate the 'Managed' key in the registry and do all that nonsense but by far and away the easiest way is to build an uninstalling MSI: after all, applications are simply files and registry data.

So, your uninstalling MSI deletes the relevant files and registry data (you can use your authoring tool's Capture facility to do this, if it makes it easier for you) and, as a last option, have it run MSIZap, passing the v8.4 Product Code as its argument. MSIZap is a free download, part of the Platform SDK.

Answered 04/14/2012 by: VBScab
Red Belt

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Was the install performed by the user as a Per-User or Per-Machine install?

Answered 04/13/2012 by: vjaneczko
Seventh Degree Black Belt

  • The install was sadly done as a per-user install as the users went to the client area of the Cognos website and clicked install. We now want to remove that client and install it using administrative credentials.....this is proving to not be so straight forward!
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