Veeam Backup And Replication Overflow Error Now

Open a support case (severity 2 or higher) if:

Provide them with:

If you want, I can generate a ready-to-copy support case message including the details above; paste any specific error text or logs you have and I’ll format it.

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If the overflow is arithmetic in the SQL database (e.g., dbo.Backup.ModelSessions), you need to manually clean old records.

Important: Backup your Veeam database first.

Run these SQL queries (adjust days as needed): veeam backup and replication overflow error

USE VeeamBackup;
DELETE FROM dbo.Backup.ModelSessions WHERE end_time < DATEADD(day, -90, GETDATE());
DELETE FROM dbo.Backup.TaskSessions WHERE end_time < DATEADD(day, -90, GETDATE());
DELETE FROM dbo.Backup.History WHERE create_time < DATEADD(day, -90, GETDATE());

Then, shrink the database:

DBCC SHRINKDATABASE(VeeamBackup);

After cleanup, restart Veeam Backup Service and retry the job.

For physical host overflow errors (common on Dell PowerEdge or HPE servers with Broadcom NICs): Open a support case (severity 2 or higher) if:

Once you resolve the immediate overflow error, implement these practices to ensure it never returns.

Automate this script in SQL Server Agent:

DBCC SHRINKDATABASE (VeeamBackup, 10);
DBCC UPDATEUSAGE (VeeamBackup);
ALTER INDEX ALL ON Backup.Model.SessionHistory REBUILD;