I have a WebForms app that uses the WindowsAzure.Storage API v3. It works fine in development and in one production environment, but I\'m rolling out a new instance and any
Please check the clock on the servers in question. Apart from the incorrect account key, you can also get 403 error if the time on the server is not in sync with the time on storage servers (Give or take +/- 15 minutes deviation is allowed).
I also ran into this error. My problem was that I had turned ON dynamic IP security restrictions in my web.config and the number of files being downloaded in some cases (e.g. with pages with lots of images) was exceeding the max thresholds I had defined in my web.config.