Today, I met a backup error with Veeam Agent for Windows on a physical server (Microsoft). Following error “Partition exceeds disk layout by bytes” is causing backups to fail: “Partition 2 exceeds disk 1 layout by … bytes Error: The drive cannot find the sector requested. Error code: 27 Asynchronous read operation failed Failed to upload disk. Agent failed to process method {DataTransfer.SyncDisk}. Exception from server: The drive cannot find the sector requested. Error code: 27 Asynchronous read operation failed Unable to retrieve next block transmission command. Number of already processed blocks: [114312]. Failed to download disk“.
Came across this error recently which is thankfully an easy fix but there is not a lot out there, the following is the error and the fix. Veeam Agent for Windows is available now in Beta version. There are three editions: “Free“, “Workstation” and “Server” being released that include enterprise features such as Application Aware Processing (VSS), flexible scheduling and retention options all while being able to backup directly to Cloud Connect repositories.




