Upgrading the HSM for Windows clientEdit online Upgrading from an earlier version might require that you complete an upgrade task. Migrating Windows alternate data stream data for files that were migrated before version 7.1.2 To use the IBM® Storage Protect HSM for Windows™ alternate data streams (ADS) feature on all migrated files, you must migrate all files with the version 7.1.2 or later client. Files that contain ADS data and were migrated with an earlier version client must be migrated again with the version 7.1.2 or later client.