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Questions tagged [.net-4.0]

70 questions
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IIS gives 503 after updating .NET 4.0 to beta 2

I just removed Visual Studio 2010 beta 1, and installed the Beta 2 on a win 2008 Web Server. After performing this, my application pools fails to start. I manually edited the application pools, and selected the new .net 4.0 framework. But when I…
Pete
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Will application based on .NET FW 4.0 work on Windows Server 2012 R2?

0 down vote favorite I'm a little bit confused about .NET framework versions and its compatibility with operating system. Please help. I plan to upgrade my application to .NET 4.x. My application must support a variety of operating systems: XP,…
user1762109
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.NET Framework 4.0 on Windows server 2003

A colleague of mine just told me it is not a good idea installing .NET Framework 4.0 on a Windows server 2003. He said the servers behave strange. Is there something on it or he just playing me for a fool ? I'm have some software that needs .NET…
user71541
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.NET 3.5 and 4.0 on Windows 2008 R2

I'm standing up a new Windows 2008 R2 Web Server. I've checked the application pool in IIS 7.5, and found that .NET 2.0 is available, but not 3.5 or 4.0. I would have thought that 2008 R2 would have come at least with 3.5 and possibly 4.0. Am I…
Rod
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Can I run .NET4 applications within a .NET3.5 website?

I have a very large and complex web application running .NET 3.5, with some classic ASP pages and VBScript components thrown in for good measure. The site is running on IIS7, and is a root website. Ideally, I'd like to have a sub-application beneath…
Keith Williams
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"PageHandlerFactory-Integrated" has a bad module "ManagedPipelineHandler"

After migrating servers today, one site keeps getting the error above. A quick search on Google showed that it's a fairly common problem, and there are lots of fixes, so far I tried the following: 1.…
Shagglez
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Can all IIS 7.x app pools be set to .NET 4?

Since .NET 4 is backward compatible, can't all app pools be set to use .NET 4 without changing your web site? Or will web.config's need to be updated simply from the app pool change?
Neal
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.NET 4 Framework installation freezes Windows 7

So I had a problem when installing VS2010, it froze during .NET 4 installation. I tried installing standalone Framework installation and during the install it freezes computer completely, demanding a hw reset. After this (I once managed to install…
Keyframe
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Who are good suppliers of .NET 4 Hosted Virtual Private Servers ? (May 2010)

I'm looking for a supplier for hosting a Virtual server, running Windows Server 2008 (R2 ideally) and .NET 4 to run an internet facing ASP.NET web application. I'd also like to be able to remote desktop onto it, and install other apps as necessary,…
Nick Haslam
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How do I get a .Net 4.0 app to coexist as an application under a SharePoint 2007 website in IIS v7?

I have created a small .Net 4.0 website and installed it on my SharePoint server as a separate web site in IIS v7 (using port 8008 for now). I had to install the .Net 4 framework, set up the database, etc. and this all went smoothly and my app…
Craig Nakamoto
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Can we install .Net framework 4.0 in Windows server 2016?

By default windows server 2016 giving framework 4.7. Our application is in framework 4.0 and may be because of that we are getting weird issues so I need to install framework 4.0 on windows server 2016. I have tried but I could not as its giving…
Tushar Maru
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Cant run WPF applications on Hyper-V Server 2008 r2 SP1 (core)

i'm trying to run one of my WPF application in a Hyper-V Server 2008 r2 sp1 but it crashes on startup. I created my application with .net 4.0 and looks like it crashes before my first line of code is executed, the only helpful hint from the crash is…
HypeZ
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Uninstalling .Net 4.5

I have a question. Server is running Windows Server 2008 R2. Originally had Microsoft .Net4.0 installed on it and I had to upgrade it to 4.5. Now due to some issues I have to uninstall it. My question is, if I will uninstall 4.5 would it…
user176320
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.NET Framework 4.0/4.5: Microsoft wants to confuse me?

I have several Windows 2008 R2 servers where "Programs and Features" claims that .NET Framework 4.5 is installed. However, C:\Windows\Microsoft.NET\Framework64 does not list a 4.5 but a 4.0 (which is not mentioned in Programs and Features). In it…
Andrew J. Brehm
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.NET SocketException - The requested name is valid, but no data of the requested type was found

I've been scouring the web looking for someone who has had the same kind of error that I am experiencing but have come up dry. I deployed a new ASP.NET web application to IIS and when I try to access the site I get the following Server error. It…
user179585
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