Veeam Backup And Replication Overflow Error ((hot)) Jun 2026
. Each indicates a specific failure in resource management or data processing. 1. Snapshot Overflow (Veeam Agent)
While 2 billion files is extreme, a deep folder structure with 500 million files + block-level deduplication metadata can push reference counters over the limit. veeam backup and replication overflow error
This issue often appears in the Veeam Backup & Replication console as abnormally high processing rates while jobs are running, accompanied by an error similar to "Arithmetic Overflow." Users have reported copy jobs reporting transfer rates in the hundreds of thousands of GBps, which is physically impossible. Snapshot Overflow (Veeam Agent) While 2 billion files
During the creation of an image-level backup, Veeam interacts with the Microsoft Volume Shadow Copy Service (VSS) or hypervisor snapshots. Open SQL Server Management Studio (SSMS) and verify
Open SQL Server Management Studio (SSMS) and verify the size of the VeeamBackup database.
Check if your Backup.Model.BackupSessions identity column is approaching its limit (2,147,483,647 for int ).
If a single job contains dozens of high-capacity VMs, split them into multiple smaller jobs to distribute the metadata load. Preventative Best Practices