AWS aws-backup documentation change
Summary
Added troubleshooting section for VMware restore failures due to missing Elastic Network Adapter (ENA) drivers
Security assessment
This change addresses an operational recovery failure scenario without evidence of security vulnerability exploitation. It focuses on driver compatibility issues during restore operations, not security weaknesses or exploits.
Diff
diff --git a/aws-backup/latest/devguide/vm-troubleshooting.md b/aws-backup/latest/devguide/vm-troubleshooting.md index 97eaa6a76..38f08ee48 100644 --- a//aws-backup/latest/devguide/vm-troubleshooting.md +++ b//aws-backup/latest/devguide/vm-troubleshooting.md @@ -7 +7 @@ -Incremental Backups / CBT issues and messagesVMware backup failureBackup failures from network connection issuesAborted backup jobNo available gatewaysVMware backup job failure +Incremental Backups / CBT issues and messagesVMware backup failureBackup failures from network connection issuesAborted backup jobNo available gatewaysVMware backup job failureRestore to EC2 fails due to missing ENA drivers @@ -134,0 +135,12 @@ If a bandwidth rate limit is configured for the backup gateway, it can restrict +## Restore to EC2 fails due to missing ENA drivers + +**Failure message:** `"Restore failed because the instance type selected for restore requires that the VirtualMachine image have Elastic Network Adapter (ENA) drivers installed, but no ENA drivers were present in the backed up VM."` + +**Possible cause:** Your restore job failed because you are attempting to restore a VMware backup that does not have ENA drivers installed to an Amazon EC2 instance type that requires Elastic Network Adapters (ENA). + +**Remedies:** + +**Restore to an instance type that does not require ENA:** Restore this recovery point to an instance type that does not require ENA. For a list of instance types and their requirements, see [Amazon EC2 instance types](https://docs.aws.amazon.com/ec2/latest/instancetypes/pg.html). + +**Install ENA drivers and take a new backup:** To restore to instance types that require ENA, install ENA drivers on the virtual machine first, take a new backup, and then restore from that backup. For more information about driver requirements, see [VM Import/Export requirements](https://docs.aws.amazon.com/vm-import/latest/userguide/limitations-image-importing.html#limitations-image-importing-linux). +