RHEV: How do I remove .Net4 from my RHEV-M 2.2 machine?

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Issue

RHEV-M 2.2 cannot run on a machine that has .Net4 installed.

It should be removed prior to upgrade or new install, otherwise it will lead to unexpected behavior. Refer to [RHEV] RHEV-M upgrade installer crashes with .NET 4 installed.

Environment

Red Hat Enterprise Virtualization Manager (RHEV-M) 2.2

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