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Click Once and a .net version upgrade / administrator rights required?

We have a .net click once application and want to upgrade the .net version it runs on to either 3.5 or 4.0. Currently when we update the software the user just accepts the download and the updates are installed. If our update requires a newer version of the .net framework will the user be able to install it? Or will it require administrator rights? If so, do you know of a .net version comparison chart that would help us understand the reasons to upgrade?
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jamesh1031
Asked:
jamesh1031
1 Solution
 
svaroggCommented:
You can add a prerequisite for your application for .NET 3.5/4.0 and user will be prompted to install it once he runs the application.
However, I am pretty sure he will not be able to complete installation without admin rights.

There's no reason to upgrade unless you specifically need any of the features of .NET 3.5/4.0.
The performance improvements that the new .NET versions give are not that significant for you to trouble all your clients.
There's a list of new features for each version here:
http://en.wikipedia.org/wiki/.NET_Framework

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