Sometimes, the problem event CLR20r3 is caused by the lack of certain Microsoft.Net Framework version. In this case, you can solve the problem by configuring.Net Framework. When configuring the Microsoft.Net Framework, there are two occasions you should consider:
How does DHCP scope creation differ in Windows Server 2012 and Windows Server 2012 R2 compared to prior Windows Server versions?
In Windows Server 2012 R2, array creation is done separately before DHCP server space is added. Windows users in Server 2012 R2 create a scope when using the DHCP Server role. In Windows Server 2012 R2, variance is handled separately after you enable the DHCP Server role.
Will SQL Server 2012 run on Windows Server 2012 R2?
In the “Database Engine Configuration” section, Windows requires an authentication mode. You can also choose to select both Windows Authentication and SQL Server Authentication. In this plan, you can install SQL Server on Windows Server 2012 R2 this year.
Is SQL Server 2012 supported on Windows Server 2012 R2?
SQL Server 2012 and SQL Server 2008 R2 support key new features in Windows 8.1, Windows 8, Windows Next Server R2, and Windows The New Year Server. Unless otherwise noted in the table below, all Windows Server 2012 features are supported globally across supported SQL Server version types.
Is SQL server 2012 supported on Windows Server 2012 R2?
SQL Server (successors) and SQL 2008 Server R2 include new features in Windows 8.1, Windows 8, Windows Server 2012 and r2, Windows Server 2012. Unless otherwise noted in the table below, all features in Windows Server 2012 are guaranteed in all supported versions on SQL server.
What is the difference between Windows Server 2012 R2 and Hyper-V Server 2012 R2?
The only difference between the two versions is undoubtedly the virtualization rights. The Windows Server 2012 Standard tier entitles the customer to run two virtual instances through Windows Server, while the datacenter provides unlimited virtualization rights. That’s all.
How to fix Windows Media Center clr20r3 error?
Reinstall Media Windows Center Reinstalling Media Windows Center can help fix error CLR20r3. Please refer to the following steps: Step 1: Open the control panel and possibly select “Programs > Turn Windows features on or off”.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.