When you need to update assets, including video, audio, subtitles, and so on, for existing content due to encoding or other issues, simply redeliver a new asset with the same locale, referencing the same catalog ID, content ID, and variant ID in the XML. You do not need to remove the asset using the
remove="true" attribute. See Update Assets and Metadata for details. In Transporter, use lookup metadata mode to retrieve the current metadata against the content you are updating and include the new checksum for the assets you are updating in the XML.