Detected Office 2019 C2r Retail Could Not Be Converted To Volume

Troubleshooting notes

There it was: ProductReleaseIds = ProPlus2019Retail . CDNBaseUrl pointed to the public Retail CDN, not the Volume Licensing Service Center.

For more information on Office 2019 deployment and licensing, check out the following resources:

"Detected Office 2019 C2R Retail could not be converted to Volume" typically occurs when an activation script (such as KMS_VL_ALL