Event ID 9782 is thrown after successful backup

Challenge During Exchange 2010 application aware backup with "Copy only" option enabled you notice following events in Application event log on Exchange server: Log Name: Application Source: MSExchangeIS Date: 5/10/2018 5:38:39 PM Event ID: 9782 Task Category: Exchange VSS Writer Level: Error...

Update to Microsoft Entra Connect causes SQL VSS issues

Article Applicability This article is specific to environments where the Azure AD Connect or Microsoft Entra Connect package is installed on the machine where Microsoft SQL Server is installed. Challenge You receive the following error during the guest processing: Unable to release guest. Error:...

No Transaction Logs Truncated After Backup of Exchange DAG Passive Node

Article Applicability This article documents a niche issue caused by changes being made to the Exchange configuration. Challenge This article is specific to a scenario where all of the following are true: Microsoft Exchange transaction logs are not truncated after the backup completes. The...

SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be skipped

Challenge A job displays the warning: SQL VSS Writer is missing: databases will be backed up in crash-consistent state and transaction log processing will be skipped Solution Support Scope Please note that the warning message displayed by Veeam Backup & Replication is a courtesy notification...

Exchange Logs Not Being Truncated

Challenge This KB provides troubleshooting advice for investigating an apparent Exchange log truncation issue. Cause Exchange truncation may not occur for the following reasons: The Backup Job is not configured to trigger truncation. The VSS operation occurring during the job is not notifying the...

Backup job reports Unfreeze Error (Over VIX)

Challenge Backup job returns an error: Unfreeze error over VIX: Backup job failed. Running vssadmin list writers command within the guest may result in: Non-Retryable error for Volume Shadow Copy Service VSS of the Microsoft Exchange Replication service Cause This issue is Microsoft-related and...

VSS Errors Related to the 'NTDS' VSS Writer

Challenge This article discusses an error that occurs due to VSS and Veeam's Guest Processing technique for Domain Controllers. It is relevant to all backup jobs for both virtual and physical Domain Controllers. A job processing a Domain Controller with Application-Aware Processing fails with one...