The log is showing data being sent and then times out.
2025-07-16 11:31:51.7937 00033 [1505] INFO | [VbrBackupProgressReporter]: Disk processing statistics for last 60s: Read 10435488256 bytes, operation count: 9976, spent time: 69.33840409999966, average speed: 165.86761881510418 MB/s
2025-07-16 11:40:49.2602 00003 [1505] INFO | [MemoryLoggerWorkflow][MemoryLogger]: GC mem: 18851544, Process mem: 538882048
2025-07-16 11:47:45.0173 00028 [1505] ERROR | [VbrVmBackupSession]: Perform disk backup failed: System.Exception: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
2025-07-16 11:47:45.0173 00028 [1505] ERROR | [VbrVmBackupSession]: Unable to retrieve next block transmission command. Number of already processed blocks: [10338].
2025-07-16 11:47:45.0173 00028 [1505] ERROR | [VbrVmBackupSession]: Failed to download disk 'RAID5-STORAGE_vm-192-disk-0'.
2025-07-16 11:31:51.7937 00033 [1505] INFO | [VbrBackupProgressReporter]: Disk processing statistics for last 60s: Read 10435488256 bytes, operation count: 9976, spent time: 69.33840409999966, average speed: 165.86761881510418 MB/s
2025-07-16 11:40:49.2602 00003 [1505] INFO | [MemoryLoggerWorkflow][MemoryLogger]: GC mem: 18851544, Process mem: 538882048
2025-07-16 11:47:45.0173 00028 [1505] ERROR | [VbrVmBackupSession]: Perform disk backup failed: System.Exception: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
2025-07-16 11:47:45.0173 00028 [1505] ERROR | [VbrVmBackupSession]: Unable to retrieve next block transmission command. Number of already processed blocks: [10338].
2025-07-16 11:47:45.0173 00028 [1505] ERROR | [VbrVmBackupSession]: Failed to download disk 'RAID5-STORAGE_vm-192-disk-0'.