Your migration failed checking destination credentials. Invalid length for a Base-64 char array or string.

Error Message

Migration fails with the error "Your migration failed checking destination credentials. Invalid length for a Base-64 char array or string."

Resolution

This error occurs when the Azure Access key is incorrect for the OneDrive for Business or the SharePoint Online endpoints.

Make sure the Azure Access key is correct, and retry.

Important

This error message can surface if both the Azure Access Key and the Azure Storage Account Name are incorrect.

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