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.NET Framework 3.5 RTM Detection Logic.

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When you install .NET Framework 3.5, it installs .NET Framework 3.0 SP1 & .NET Framework 2.0 SP1, or equivelent cumulative update on Vista.

 

For 3.5 RTM we look for the following:

Registry Key Name

Value

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\

NET Framework Setup\NDP\v3.5

Name: Install

Type: DWORD

Data: 1

For 3.0 RTM see the following:

https://msdn2.microsoft.com/en-us/library/aa964978.aspx#DetectingTheMicrosoftDotNETFramework3_0

 

For 3.0 SP1 we look for the following:

Registry Key Name

Value

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\

NET Framework Setup\NDP\v3.0

Name: SP

Type: DWORD

Data: 1

 

For 2.0 SP1 we look for the following:

Registry Key Name

Value

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\

NET Framework Setup\NDP\v2.0.50727

Name: SP

Type: DWORD

Data: 1

Comments

  • Anonymous
    December 13, 2007
    A couple of great posts from Aaron Ruckman detailing the .NET Framework 3.5 installation. Some good overview