When a backup fails with the following message:

Unknown error <status_code>

To determine the specific issue, search the NetBackup Troubleshooter for the given status code number. The status code provides you with a problem statement and a recommended action to resolve the issue.

When the following status code is displayed:

Status 6625: The backup host is either unauthorized to complete operation or it is unable to establish a connection with the application server.

The backup host may be unauthorized to complete an operation due to one of the following reasons:

See Managing SSL certificates .

When the mount operation fails with the following message in the nbaapidiscv process logs:

status_code aapi_logmsg: session_id:xxxx_ Nutanix Plugin :Failed to mount :/user/.acropolis/snapshot/containerID/vmdisk; Error: Permission denied. You may want to check whether you have added the backup host to the Nutanix Acropolis Cluster using the appropriate whitelist option available through the Prism web console or its command line interface.

The backup host is unable to mount the snapshot.

Verify whether you have added the backup host to the Nutanix Acropolis Cluster using the appropriate whitelist option available through the Prism web console or its command line interface.

See Adding a backup host to the Acropolis Cluster access list.

When you try to backup the virtual machines that have volume group disks, the backup fails with following message in the nbaapidiscv process logs:

status_code aapi_logmsg: session_id: xxxx_ Nutanix Plugin: failed to get snapshot_file_path for the disk. AAPI_Errno = 6647

To determine the specific issue, search the NetBackup Troubleshooter for the given status code number. The status code provides you with a problem statement and a recommended action to resolve the issue.

Backup of the virtual machines that have volume groups attached is not supported.

When the following status code is displayed:

Error code 223: an invalid entry was encountered

Ensure that you have provided valid credentials to access the Nutanix Acropolis cluster.

When the following status code is displayed:

Status code 6654: Unable to retrieve the credentials for the server.

This error can occur if you have not configured the Nutanix Acropolis cluster credentials on the NetBackup master server.

This error can also occur if the backup host is unable to access NetBackup and retrieve the cluster credentials.

See Adding the Nutanix Acropolis Cluster credentials for NetBackup.

See Adding a backup host to the NetBackup master access list.

When the following status code is displayed:

Error code 6622: An internal error occurred in the NetBackup process.

This error can occur if you do not have appropriate administrative rights for backing up AHV virtual machines.

Ensure that you have appropriate administrative rights and permissions from Nutanix to complete a backup for AHV virtual machines.