Veeam Backup And Replication Overflow Error Jun 2026
: Frequently seen when using WAN acceleration or when clicking on specific replication jobs in older versions. System Drawing Overflow
If your database has hit the 10 GB limit, migrate your configuration database to a full instance of SQL Server or switch to PostgreSQL (supported natively in Veeam v12 and later). 2. Address Large Disk and CBT Issues If a specific massive VM is failing:
: Commonly triggered by WAN Acceleration reporting abnormal transfer rates (e.g., millions of GBps) that exceed SQL data type limits. Solution :
Think of the VDDK as a universal translator. It allows Veeam to reach into the VMware storage, "mount" the virtual disk, and read the data. To do this efficiently, Veeam and the VDDK have to agree on how to move data. They use —chunks of memory reserved for shuttling blocks of data from the storage to the backup server. veeam backup and replication overflow error
: High disk I/O can cause snapshots to grow too rapidly for the allocated space. 2. Arithmetic / UI Overflow (Console Bug)
If the logs point to a database error, check your SQL Server or PostgreSQL database health.
Run this SQL query on Veeam’s configuration database: : Frequently seen when using WAN acceleration or
: Long, unbroken forward-incremental chains generate massive metadata overhead. Schedule weekly or monthly Active Full backups to reset the tracking chain and clear out legacy metadata.
VssSnapshotTimeout : Increase this value if the overflow occurs during the initial snapshot creation phase.
Verify the free space on the drive hosting your Veeam configuration database. Address Large Disk and CBT Issues If a
It's during the processing of a large and busy 12TB exchange server - 2 boxes, one CAS and one MBX server. only affects the chart Snapshot overflow error when backing up Ubuntu volume
: A malfunction in the object delete algorithm during retention cleanup on S3-compatible storage.
: Note that using unsupported distributions like Linux Mint may trigger these errors more frequently without a clear resolution. 2. Arithmetic Overflow Errors