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Issue Description

  • Unable to install RSAT tool via Optional feature or DISM command

Cause

It is happening because windows 10 isn’t able to reach out to Microsoft update to install the feature.

Fix

– UseWUServer from 1 to 0 temporarily, Once your installation finished, change it back to 1 otherwise windows update will not work via your company’s SCCM server.

  • restart windows update service.

Thanks for reading !