# Example: CAB located in C:\Temp DISM /Online /Add-Package /PackagePath:C:\Temp\microsoft-windows-netfx3-onDemand-package.cab
Troubleshooting and Common Issues
If you manage a Windows Server 2012 R2 environment, you have likely encountered a frustrating circular dependency: a critical legacy application requires .NET Framework 3.5 (which includes 2.0 and 3.0), but your standard installation methods fail. The error message is vague, the official "Add Roles and Features Wizard" prompts you for a source path, and you are left searching for a solution.
Even with a new CAB, you might see errors. Here’s how to fix them.
Microsoftwindowsnetfx3ondemandpackagecab Download Server 2012 R2 New [portable] Jun 2026
# Example: CAB located in C:\Temp DISM /Online /Add-Package /PackagePath:C:\Temp\microsoft-windows-netfx3-onDemand-package.cab
Troubleshooting and Common Issues
If you manage a Windows Server 2012 R2 environment, you have likely encountered a frustrating circular dependency: a critical legacy application requires .NET Framework 3.5 (which includes 2.0 and 3.0), but your standard installation methods fail. The error message is vague, the official "Add Roles and Features Wizard" prompts you for a source path, and you are left searching for a solution. # Example: CAB located in C:\Temp DISM /Online
Even with a new CAB, you might see errors. Here’s how to fix them. # Example: CAB located in C:\Temp DISM /Online