I am trying to install  Visual Studio 2008 on my Windows 2008 R2 machine. This is the first time I am using the Windows 2008 R2 machine and I was wondering why I am getting the following error message.
You must use the Role Management Tool to install or configure Microsoft. NET Framework 3.5.
Could not install Visual Studio 2008 on Windows 2008 R2
You just need to enable the feature from Server Manager .
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Before install Visual Studio 2008 install the .NET Framework 3.5.1 Features from the Add Features Wizard in Server Manager.
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Then your problem will solve.
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Could not install Visual Studio 2008 on Windows 2008 R2
After a year or so of using Windows Vista, in various Beta’s and then RTM, my PC was in need of a re-format – lots of random errors, and slow in parts. Too many other beta install’s / uninstall.
Try using the windows Vista x64 because it is quite faster, you will be pleasantly surprised (and amazed) at how smoothly & trouble-free the installation will be.
No driver problems, everything detected, was online immediately – just easy..
The installation would proceed for a while, and then show lots of red error flags & warnings – unable to install Microsoft .NET Framework 3.5(pre-requisite).
Sometimes you may reboot but with no luck.
From some hunting about on Google, I stumbled/guessed upon the notion that one of those updates might actually be the cause of the problem.
I am running Vista 64-bit English, brand new install (only two hours old) and my update settings are to download but notify. NOT install.
Yet, while installing Visual Studio, Windows Update pops up saying I need to reboot for my updates to take effect. I never told it to install anything.
Hotfix for Windows (KB110806)
Hotfix for Windows (KB110806)
It turns out that this particular hotfix is a bit wrong in its naming – and it’s actually a service pack, not a hotfix :
Microsoft .NET Framework 2.0 Service Pack 1 (x64)
Provides cumulative roll-up updates for customer reported issues found after the release of Microsoft .NET Framework 2.0.
In addition, this release provides security improvements, and prerequisite feature support for .NET Framework 3.0 Service Pack 1, and .NET Framework 3.5.
