OneDrive The cloud operation is not supported on a read-only volume
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Last updated
Last updated
To save on disk space, OneDrive (and some other cloud storage providers) use a system where some files are only "virtually" stored on the local disk, and are materialized from the cloud storage on-demand.
If you encounter the "Warning for OneDrive - The cloud operation is not supported on a read-only volume." error message, this means that file in question does not exist on the local PC, and the OneDrive virtual filesystem driver is refusing to download this file on-demand for eazyBackup to read it.
At the time of writing, the only available workaround is to disable the "Files-On-Demand" feature in OneDrive. However, this may cause an unacceptable increase in local disk usage for some customers.
Right-click OneDrive in the System Tray
Click the menu icon -> Settings -> Sync and backup -> "Files-On-Demand" section -> Click "Download all files", Click Continue
