Error Code [30:325] A backup operation on AlwaysOn databases fails

Article ID: 54229

Article Type: Troubleshooting

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A backup operation on AlwaysOn databases fails with Error Code [30:325]


A backup operation that runs on the AlwaysOn databases fails with the following error message on the SQL Server:

Error Code: [30:325] Error encountered during backup. Error:[Microsoft.SqlServer.Management.Common.ExecutionFailureException: Cannot backup from a HADRON secondary because it is not in Synchronizing or Synchronized state. BACKUP LOG is terminating abnormally. An exception occurred while executing a Transact-SQL statement or batch.]


One or both of the following conditions are causing the backup to fail:


For a successful backup of the AlwaysOn databases, verify that the following two conditions are met:

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