Install .NET 3.5 Windows server 2012 R2 - Spiceworks Community
Because Windows Server 2012 R2 optimizes its storage footprint, it utilizes an On-Demand installation model. If your server lacks a direct, unrestricted connection to public servers—or if it relies on a local Windows Server Update Services (WSUS) server that does not host Features on Demand payloads—the OS cannot find the file. Manually pointing your installation wizard or deployment script to this explicit .cab archive solves the lookup mismatch. Where to Securely Download the File
Open a command line and type gpupdate /force before retrying your DISM command. Install
Use the OnDemand CAB as a local package
Set it to and check the box marked Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS) . Where to Securely Download the File Open a
If you prefer a visual interface, you can still use Server Manager, provided you configure the alternate path option. Open and click Add Roles and Features . Advance through the wizard to the Features step.
DISM.exe /online /enable-feature /featurename:NetFX3 /All /Source:C:\dotnet35 /LimitAccess Use code with caution. Copied to clipboard /LimitAccess flag is critical; it tells Windows Open and click Add Roles and Features
If your server environment is isolated, secured, or configured to use a WSUS server that does not have the .NET 3.5 Feature on Demand payload, the installation will fail.
To install .NET Framework 3.5 Windows Server 2012 R2 microsoft-windows-netfx3-ondemand-package.cab
[Date] Environment: Windows Server 2012 R2 (Standard/Datacenter) x64
Install .NET 3.5 Windows server 2012 R2 - Spiceworks Community
Because Windows Server 2012 R2 optimizes its storage footprint, it utilizes an On-Demand installation model. If your server lacks a direct, unrestricted connection to public servers—or if it relies on a local Windows Server Update Services (WSUS) server that does not host Features on Demand payloads—the OS cannot find the file. Manually pointing your installation wizard or deployment script to this explicit .cab archive solves the lookup mismatch. Where to Securely Download the File
Open a command line and type gpupdate /force before retrying your DISM command.
Use the OnDemand CAB as a local package
Set it to and check the box marked Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS) .
If you prefer a visual interface, you can still use Server Manager, provided you configure the alternate path option. Open and click Add Roles and Features . Advance through the wizard to the Features step.
DISM.exe /online /enable-feature /featurename:NetFX3 /All /Source:C:\dotnet35 /LimitAccess Use code with caution. Copied to clipboard /LimitAccess flag is critical; it tells Windows
If your server environment is isolated, secured, or configured to use a WSUS server that does not have the .NET 3.5 Feature on Demand payload, the installation will fail.
To install .NET Framework 3.5 Windows Server 2012 R2 microsoft-windows-netfx3-ondemand-package.cab
[Date] Environment: Windows Server 2012 R2 (Standard/Datacenter) x64
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