This article provides a solution to a common Exchange Backup error.
Microsoft Server 2003
Symptoms / Description
- The differential / incremental exchange backups fails.
- Event ID 206 is logged when you try to run an incremental Volume Shadow Copy Service (VSS) snapshot backup on an Exchange 2003 server.
Event ID: 206
Description: Information Store (1156) First Storage Group: Database cannot be incrementally backed up. You must perform a full backup before performing an incremental backup.
- Confirm that the problem is consistent with Microsoft KB article 930197
- Apply the hotfix referenced in the article.
This is a known problem with Microsoft's VSS system in Server 2003 that affects servers in certain environments.
For more detailed information on backup failures and performance issues see Unitrends KB 5062 - Backup Failures and Performance Issues