.Net Framework
Beginning with version 4.5.2 and later, .NET Framework is defined as a component of the Windows operating system . (1)
Check
Check
regedit
Look for Version value in the version specific subkeys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP
Or HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\NET Framework Setup\NDP for 32-bit apps under 64-bit Windows.SQL Server Compatibility
SQL Server Compatibility
Patching
Patching
I believe it is safe to apply any patch to any version of .Net Framework and SQL Server will continue to work.
You do need to be careful about removing older versions... For SQL2005, 2008, or 2008R2 you must have .net Framework 2.0, 3.0 or 3.5 installed.
For 2012 and above it's easier... You just need any version of .net Framework at version 4.0 or later
Install 3.5
Required by: SQL Server 2008 on Windows Server 2012/2012R2Install 3.5
Server Manager
Server Manager
Add roles and features
PowerShell
PowerShell
Run PowerShell as Administrator (select Yes in the User Account Control box)...
Import-Module ServerManager
Add-WindowsFeature as-net-framework
Bibliography
Bibliography
https://learn.microsoft.com/en-us/dotnet/framework/migration-guide/how-to-determine-which-versions-are-installedhttps://learn.microsoft.com/en-us/troubleshoot/developer/dotnet/framework/general/determine-dotnet-versions-service-pack-levelshttps://learn.microsoft.com/en-us/dotnet/framework/migration-guide/how-to-determine-which-net-framework-updates-are-installedhttps://learn.microsoft.com/en-us/troubleshoot/sql/database-engine/install/windows/understanding-dotnet-framework-requirementshttps://learn.microsoft.com/en-us/answers/questions/224469/impact-of-microsoft-net-framework-security-updateshttps://learn.microsoft.com/en-us/dotnet/framework/migration-guide/versions-and-dependencieshttps://learn.microsoft.com/en-us/answers/questions/1185039/what-is-the-depenedency-on-dot-net-patching-upgradhttps://learn.microsoft.com/en-GB/lifecycle/faq/dotnet-frameworkhttps://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-frameworkhttps://github.com/EliteLoser/DotNetVersionListerhttps://asoftblog.wordpress.com/2021/12/09/net-version-detector-21-r1/https://www.asoft.be/prod_netver.htmlhttps://www.sqlservercentral.com/forums/topic/how-to-upgrade-net-frameworkhttps://www.sqlservercentral.com/forums/topic/updating-net-core-on-sql-server-dangeroushttps://stackoverflow.com/questions/41114147/which-version-of-net-framework-sql-server-supports