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Veeam Backup And Replication Overflow Error [2021] Jun 2026

This error is generic and can appear in various contexts, but it always points to a memory allocation failure. The error message simply states "bad allocation" or "Processing Error: bad allocation".

Are you seeing this error in the or as a Job Failure in your Linux agent logs?

Check the full error message in one of these locations:

The backup job is configured not to truncate logs, or log truncation is failing due to permission or configuration issues. The disk containing SQL transaction logs becomes full because standard log backups are not happening frequently enough or are not truncating logs after backing them up. veeam backup and replication overflow error

Note: This is a workaround; upgrading to Veeam v11+ (which has native 64-bit services) is the real fix.

Follow this diagnostic ladder sequentially. Do not skip steps.

Veeam offers a feature to truncate transaction logs as part of its backup job. When enabled, Veeam will tell SQL Server that the logs have been backed up, allowing SQL Server to release (truncate) the space for reuse. This error is generic and can appear in

Veeam frequently releases cumulative patches that refactor code elements from 32-bit types to 64-bit data types ( long instead of int ). Updating your Veeam Backup & Replication server, transport agents, and integration components to the latest minor or major release ensures you possess the modern code enhancements designed to natively handle petabyte-scale datasets.

Consolidate virtual disks if the hypervisor reports that configuration changes are needed. Proven Solutions and Workarounds Database Optimization

Search for keywords like OverflowException , Arithmetic overflow , or out of range . Step 2: Identify the Database State Check the full error message in one of

If the chain is deeply corrupted, manually trigger an Active Full Backup . This builds a brand-new, clean metadata chain from scratch, bypassing the old overflowed structures. Step 4: Address Oversized Virtual Disks and Block Sizes

Which runs your Veeam configuration (SQL Server Express, Standard, or PostgreSQL)?