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Transient and Non-transient Errors When Using Guest Processing

KB ID: 1796
Product: Veeam Backup & Replication
Published: 2013-07-29
Last Modified: 2023-06-20
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Challenge

You receive errors on backup or replication processes during VSS guest processing.

Solution

0x800423F3

This error translates to the VSS error “VSS_E_WRITERERROR_RETRYABLE” or “The writer experienced a transient error. If the backup process is retried, the error might not reoccur.”

This error is expressing that a generic error has occurred and that the backup may be retried and may be successful on the next attempt. In order to investigate the core issue, refer to the System and Application event logs from the guest at the time of error.

 

0x800423F4

This error translates to the VSS error “VSS_E_WRITERERROR_NONRETRYABLE” or “The writer experienced a non-transient error. If the backup process is retried, the error is likely to reoccur.”

This error is expressing that a generic error occurred in the backup process and is likely to happen again. This error is typically due to system configuration or other software that prevents the execution of a shadow copy. In order to investigate the core issue, refer to the System and Application event logs from the guest at the time of error.

Investigation Advice

Consider the following:

Customers have reported that in some situations, VSS issues were resolved by rebooting the Guest OS of the VM being backed up. For example, a pending Windows update may cause problems. 

For assistance with investigating the core issue or verifying information in the event logging, please open a Veeam Support case.

More Information

Both of these errors may indicate another error occurring within guest processing. In Hyper-V backups, this may occur on the host or storage snapshots themselves. In many cases, you can verify if this is an inherent system or configuration issue by executing a native Windows Backup on the guest or, in the case of Hyper-V backup configured for OnHost, a native VM backup.

For assistance with investigation of the core issue or verifying information posed in any event logging, please open a Veeam Support case.
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