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IIS Application pools version SCCM CB

Wim Goeminne 6 Reputation points
2021-05-26T18:13:18.027+00:00

Hi,
We are running SCCM CB on Server 2012R2 and I was wondering if there is a specific recommendation for the .NET versions of the Application pools.
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Why are a lot of pools still on version 2.0 and should we change that to v4.0?

Thanks,
WiM

Internet Information Services

1 answer

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  1. Sam Wu-MSFT 7,046 Reputation points Microsoft Vendor
    2021-05-27T02:15:33.953+00:00

    Hi @Wim Goeminne

    The AppPool's .NET CLR Version is different from the .NET Framework Version.

    The .NET CLR Version 4.0 is the CLR base for the following .NET Framework Versions:

    4, 4.5, 4.6, 4.7, 4.8, so having a .NET CLR Version of 4.0 just means you support the above Frameworks, which will run under their deployed framework version.

    The .NET CLR Version 2.0 is the CLR base for the following .NET Framework Versions:

    .NET Framework 2.0, .NET Framework 3.0, .NET Framework 3.5.

    As for the choice of 2.0 or 4.0 depends on the version of .NET does SCCM use, usually SCCM uses .NET Framework version 4.5 or later, so I suggest you use v4.0.

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