Veeam Backup And Replication Overflow Error [2021] Online

Error: Overflow. Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.

Though VBR itself is 64-bit, some legacy components or external scripts (pre/post-job scripts, custom transforms) might be 32-bit, causing arithmetic overflows when handling large file sizes (>4GB offsets). veeam backup and replication overflow error