Detected Office 2019: C2r Retail Could Not Be Converted To Volume

By 7:00 PM, twenty machines had failed. The pattern was sickening: every machine that ever had a pre-activated Retail copy (the ones that came with the Dell order two years ago, the ones with the “free trial” that users “somehow” kept extending) refused to let go.

If you have the Professional edition but it is tagged as Retail, the conversion failed due to a technical glitch. By 7:00 PM, twenty machines had failed