Here are some useful resources you might want to check out before you get started, not a definitive list, but a good reference. 

 

What's New in the .NET Framework Version 2.0

http://msdn2.microsoft.com/en-us/library/t357fb32(VS.80).aspx  ?

 

 

.NET Framework 2.0 System Requirements

From: http://www.microsoft.com/downloads/details.aspx?familyid=0856eacb-4362-4b0d-8edd-aab15c5e04f5&displaylang=en

Supported Operating Systems: Windows 2000 Service Pack 3; Windows 98; Windows 98 Second Edition; Windows ME; Windows Server 2003; Windows XP Service Pack 2

 

Required Software:

Windows Installer 3.0 (except for Windows 98/ME, which require Windows Installer 2.0 or later). Windows Installer 3.1 or later is recommended.

IE 5.01 or later: You must also be running Microsoft Internet Explorer 5.01 or later for all installations of the .NET Framework.

Disk Space Requirements:

280 MB (x86), 610 MB (x64)

 

Server Installation Requirements:

If you have been directed to do a server installation, you must have the following software installed in addition to the typical installation requirements:

  • Microsoft Data Access Components 2.8 or later is recommended.
  • Internet Information Services (IIS) version 5.0 or later. To access the features of ASP.NET, IIS with the latest security updates must be installed prior to installing the .NET Framework. ASP.NET is supported only on the following platforms: Microsoft Windows 2000 Professional (Service Pack 3 recommended), Microsoft Windows 2000 Server (Service Pack 3 recommended), Microsoft Windows XP Professional, and Microsoft Windows Server 2003 family.

 

Note: Most users will perform a typical installation and can ignore these requirements. If you are unsure which type of installation to perform, meet only the typical installation requirements.

 

If you plan to develop .NET Framework version 2.0 applications, the Microsoft .NET Framework version 2.0 Software Development Kit (SDK) includes tools, documentation and samples you need to write, build, test, and deploy .NET Framework applications.

 

 

.NET Framework 2.0 Obsolete API List

http://msdn.microsoft.com/netframework/programming/obsoleteapi/default.aspx

 

 

Breaking Changes in .NET Framework 2.0

http://msdn.microsoft.com/netframework/programming/breakingchanges/default.aspx

 

Compatibility Considerations and Version Changes

http://www.gotdotnet.com/team/changeinfo/default.aspx

 

Microsoft .NET Pet Shop 4: Migrating an ASP.NET 1.1 Application to 2.0

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnbda/html/bdasamppet4.asp

 

System Requirements for Installing the .NET Framework 2.0 SDK

http://msdn.microsoft.com/netframework/technologyinfo/sysreqs/default.aspx

 

.NET Framework 2.0 SDKs, Redistributables & Service Packs (Uber download page)

http://msdn.microsoft.com/netframework/downloads/updates/default.aspx

 

.NET Framework Developer Center:

http://msdn.microsoft.com/netframework/

 

Microsoft Migration Web Site

http://msdn.microsoft.com/asp.net/reference/migration/

 

 

Content that is 1.1 Specific but should still be mostly valid for 2.0:

 

Side-by-Side Execution of the .NET Framework (.NET Framework Deployment)
Get in-depth information about side-by-side execution of the .NET Framework intended for individuals who are building or configuring .NET Framework applications or components. (6 printed pages.)
http://msdn.microsoft.com/library/en-us/dnnetdep/html/sidexsidenet.asp

 

Side-by-Side Execution Fundamentals (.NET Framework Developer's Guide)
The way that the common language runtime manages side-by-side execution depends on the type of application you are running.
http://msdn.microsoft.com/library/en-us/cpguide/html/cpconside-by-sideexecutionfundamentals.asp

 

Installing Multiple Versions of the .NET Framework
You can install and run multiple versions of the .NET Framework on a computer. Currently there are three versions of the .NET Framework: version 1.0, version 1.1, and version 2.0 The three .NET Framework versions can be installed in any order.
http://msdn2.microsoft.com/en-us/library/y549e41e.aspx

 

How to: Use an Application Configuration File to Target a .NET Framework Version
http://msdn2.microsoft.com/en-us/library/9w519wzk.aspx