This seems to work for me:
https://github.com/derjust/windows-azure-storage/tree/FixForImport
I created a PR for the plugin author. Hopefully he can review and merge it soon.
Please feel to try it out and let me know how it works out for you guys (don’t use in production – test only with backups at hand!)
Same here.
It happens when I import from another WordPress.
Regular uploads work