.NET 4.5 compatibility with Window Server 2003

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?
Who is Participating?
Paul JacksonConnect With a Mentor Software EngineerCommented:
You could still upgrade to Visual Studio 2012, however you will have to ensure that your applications target the .net 4.0 framework.
Paul JacksonSoftware EngineerCommented:
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
Angel02Author Commented:
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.
Paul JacksonSoftware EngineerCommented:
Yes you can use Visual Studio 2013 and target the .net 4.0 framework.
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