RFE# 123171: Fixlets to Block .NET Versions and update .NET fixlets to honor those

Description:
Fixlets provided that allow you to Block/Unblock .NET Versions, .NET Version fixlets should honor the Block/Unblock via relevance.
Use case:
an application such as exchange server has compatibility matrix for .NET Versions this would ensure that .NET Versions can be frozen on a endpoint to prevent potential application outages

WU honors these blocks by setting the following Registry Key ( in this example .NET 4.7.1 is blocked)
https://support.microsoft.com/en-us/help/4052152/how-to-temporarily-block-the-installation-of-net-framework-4-7-1

Basically all of the .NET fixlets that perform version upgrades would need to have their relevance modified to honor this block setting.

Their should be a Block and Unblock Fixlet released for each version Update
Business justification:
Prevent outages caused by .NET version upgrades

Please Upvote Here:
http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=123171