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.NET 4.5 compatibility with Window Server 2003

Posted on 2013-12-05
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Last Modified: 2013-12-09
We have a web application built using Visual Studio 2003 and is currently running .net 2.0. We are planning to upgrade the application. However, the webserver it is hosted on runs Windows Server 2003.
 According to this link http://msdn.microsoft.com/en-us/library/bb822049(v=vs.110).aspx
Windows Server 2003 is compatible with .NET 4.0.
Does this mean I should upgrade to .NET 4.0 (Visual Studio 2010) and should NOT go to .NET 4.5 (Visual Studio 2012)?

I have approval to upgrade the web application but we have not talked about upgrading the web server operating system. Can you please advise?
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Question by:Angel02
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Expert Comment

by:Paul Jackson
ID: 39698951
You are correct that .Net framework 4.5 is not supported on Windows Server 2003, however .Net 4.0 is.

.Net 4.5 framework system requirements

.Net 4.0 framework system requirements
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Paul Jackson earned 500 total points
ID: 39698963
You could still upgrade to Visual Studio 2012, however you will have to ensure that your applications target the .net 4.0 framework.
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Author Comment

by:Angel02
ID: 39701373
Thank you.
Can I upgrade to Visual Studio 2013? I am not sure if anyone has started using it. Will it work with .NET framework 4.0?
Please advise.
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Expert Comment

by:Paul Jackson
ID: 39701559
Yes you can use Visual Studio 2013 and target the .net 4.0 framework.
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