Veeam Backup Validator - User Guide for VMware vSphere
helpcenter.veeam.com › docs › backupSep 01, 2020 · Veeam Backup Validator is a command-prompt CRC check utility that tests a backup at the file level. For integrity validation, Veeam Backup Validator uses the checksum algorithm. When Veeam Backup & Replication creates a backup of a VM, it calculates a checksum for every data block in the backup file and attaches these checksums to the data blocks.