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Addressed EEE doc ask #27916844
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articles/backup/backup-azure-sap-hana-database-troubleshoot.md

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title: Troubleshoot SAP HANA databases back up errors
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description: Describes how to troubleshoot common errors that might occur when you use Azure Backup to back up SAP HANA databases.
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ms.topic: troubleshooting
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ms.date: 07/18/2023
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ms.date: 07/07/2024
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ms.service: backup
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author: AbhishekMallick-MS
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ms.author: v-abhmallick
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| **Error message** | `Azure Backup does not have required role privileges to carry out Backup and Restore operations` |
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| ---------------------- | ------------------------------------------------------------ |
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| **Possible causes** | All operations fail with this error when the Backup user (AZUREWLBACKUPHANAUSER) doesn't have the **SAP_INTERNAL_HANA_SUPPORT** role assigned or the role might have been overwritten. |
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| **Recommended action** | Download and run the [pre-registration script](https://aka.ms/scriptforpermsonhana) on the SAP HANA instance, or manually assign the **SAP_INTERNAL_HANA_SUPPORT** role to the Backup user (AZUREWLBACKUPHANAUSER).<br><br>**Note**<br><br>If you are using HANA 2.0 SPS04 Rev 46 and later, this error doesn't occur as the use of the **SAP_INTERNAL_HANA_SUPPORT** role is deprecated in these HANA versions. |
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| **Recommended action** | Download and run the [pre-registration script](https://aka.ms/scriptforpermsonhana) on the SAP HANA instance, or manually assign the **SAP_INTERNAL_HANA_SUPPORT** role to the Backup user (AZUREWLBACKUPHANAUSER).<br><br>**Note**<br><br>If you're using HANA 2.0 SPS04 Rev 46 and later, this error doesn't occur as the use of the **SAP_INTERNAL_HANA_SUPPORT** role is deprecated in these HANA versions. |
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### UserErrorInOpeningHanaOdbcConnection
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| **Error message** | `Backup log chain is broken` |
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| ------------------ | ------------------------------------------------------------ |
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| **Possible causes** | HANA LSN Log chain break can be triggered for various reasons, including:<ul><li>Azure Storage call failure to commit backup.</li><li>The Tenant DB is offline.</li><li>Extension upgrade has terminated an in-progress Backup job.</li><li>Unable to connect to Azure Storage during backup.</li><li>SAP HANA has rolled back a transaction in the backup process.</li><li>A backup is complete, but catalog is not yet updated with success in HANA system.</li><li>Backup failed from Azure Backup perspective, but success from the perspective of HANA — the log backup/catalog destination might have been updated from Backint-to-file system, or the Backint executable might have been changed.</li></ul> |
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| **Recommended action** | To resolve this issue, Azure Backup triggers an auto-heal Full backup. While this auto-heal backup is in progress, all log backups are triggered by HANA fail with **OperationCancelledBecauseConflictingAutohealOperationRunningUserError**. Once the auto-heal Full backup is complete, logs and all other backups start working as expected.<br>If you do not see an auto-heal full backup triggered or any successful backup (Full/Differential/ Incremental) in 24 hours, contact Microsoft support.</br> |
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| **Possible causes** | HANA LSN Log chain break can be triggered for various reasons, including:<ul><li>Azure Storage call failure to commit backup.</li><li>The Tenant DB is offline.</li><li>Extension upgrade has terminated an in-progress Backup job.</li><li>Unable to connect to Azure Storage during backup.</li><li>SAP HANA has rolled back a transaction in the backup process.</li><li>A backup is complete, but catalog isn't yet updated with success in HANA system.</li><li>Backup failed from Azure Backup perspective, but success from the perspective of HANA — the log backup/catalog destination might have been updated from Backint-to-file system, or the Backint executable might have been changed.</li></ul> |
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| **Recommended action** | To resolve this issue, Azure Backup triggers an auto-heal Full backup. While this auto-heal backup is in progress, all log backups are triggered by HANA fail with **OperationCancelledBecauseConflictingAutohealOperationRunningUserError**. Once the auto-heal Full backup is complete, logs and all other backups start working as expected.<br>If you don't see an auto-heal full backup triggered or any successful backup (Full/Differential/ Incremental) in 24 hours, contact Microsoft support.</br> |
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### UserErrorSDCtoMDCUpgradeDetected
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|**Error message** | `The source and target systems for restore are incompatible.` |
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|---------|---------|
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|**Possible causes** | The restore flow fails with this error when the source and target HANA databases, and systems are incompatible. |
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|Recommended action | Ensure that your restore scenario isn't in the following list of possible incompatible restores:<br> **Case 1:** SYSTEMDB cannot be renamed during restore.<br>**Case 2:** Source — SDC and target — MDC: The source database cannot be restored as SYSTEMDB or tenant DB on the target. <br> **Case 3:** Source — MDC and target — SDC: The source database (SYSTEMDB or tenant DB) cannot be restored to the target.<br>To learn more, see the note **1642148** in the [SAP support launchpad](https://launchpad.support.sap.com). |
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|Recommended action | Ensure that your restore scenario isn't in the following list of possible incompatible restores:<br> **Case 1:** SYSTEMDB can't be renamed during restore.<br>**Case 2:** Source — SDC and target — MDC: The source database can't be restored as SYSTEMDB or tenant DB on the target. <br> **Case 3:** Source — MDC and target — SDC: The source database (SYSTEMDB or tenant DB) can't be restored to the target.<br>To learn more, see the note **1642148** in the [SAP support launchpad](https://launchpad.support.sap.com). |
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### UserErrorHANAPODoesNotExist
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**Possible causes** | - Disk corruption issue. <br> - Memory allocation issues. <br> - Too many databases in use. <br> - Topology update issue.
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**Recommended action** | Work with the SAP HANA team to fix this issue. However, if the issue persists, you can contact Microsoft support for further assistance.
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### UserErrorRestoreTargetDirectoriesAbsent
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| **Error Message** | `PreRestoreDataParamsPrep: Target directory` does not exist. |
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| --- | --- |
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| **Possible Causes** | Restore as files is failing due to *directory* that is selected for restore doesn't exist on the Target server or isn't accessible.
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| **Recommended action** | Verify the directory that you selected is available on the target server and ensure you have selected the correct target server at the time of restore. |
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## Restore checks
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### Single Container Database (SDC) restore

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