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Appliance Mode (Hotadd) Requirements and Troubleshooting

KB ID: 1054
Product: Veeam Backup & Replication 11, Veeam Backup & Replication 10, Veeam Backup & Replication 9.5, Veeam Backup & Replication 9.0, Veeam Backup & Replication 8.0, Veeam Backup & Replication 7.0, Veeam Backup & Replication 6.5
Published: 2011-07-19
Last Modified: 2021-09-16
Languages: DE | FR | ES

Known Issues

  • If the VM disk resides on a vVol, the Backup Proxy's VM configuration file must be on the same vVol.
  • A single SCSI controller can have a maximum of 15 disks attached. To run multiple concurrent jobs with more than 15 disks, you need to add more SCSI controllers to your Veeam Proxy server that is responsible for hot adding the disks. (kb.vmware.com/kb/1037094)
  • HotAdd may fail if any disk was created with a newer hardware version than the VM being backed up. For example, if a disk was moved from a hardware version 8 VM to a hardware version 7 VM. To resolve, upgrade the hardware version of the VM.
  • In the case of a standalone host connection (no vCenter added to the console), you can only hot-add disks of VMs which are located on the same host as the proxy server.  This may require additional proxy servers to be configured on each host in the environment.
  • HotAdd may fail if you are trying to back up the VM through the host added as a standalone server into Veeam Backup Infrastructure but actually being managed by vCenter. The following error message can be found in the source agent log:
    "Reconfigure attempt failed for VM "" with Vmomi::MethodFault::Exception ("vim.fault.HostAccessRestrictedToManagementServer")"
    
  • If you plan to process VMs that store disks on an NFS 3.0 datastore, it is advisable to deploy a backup proxy on the same ESX(i) host where these VMs reside. (See: https://www.veeam.com/kb1681)
  • Virtual Appliance backup job fails after you’ve cloned or restored your VBR server. The reason for that is the incorrect UUID reference for the Veeam Backup VM which can be found in the following registry key of the Veeam server. Please see http://www.veeam.com/kb1332
  • HotAdd fails if VM disks being backed up don't have unique ddb UUIDs across the vCenter, for example, if such VMs were deployed from a single template to different hosts.  Please refer to the VMware KB article for details: http://kb.vmware.com/kb/2006865
  • Backup in HotAdd mode may fail if there is a SATA controller configured on a proxy virtual machine. Please refer to the VMware KB article for details: https://kb.vmware.com/s/article/2151091
  • Hotadd may fail if a replica of the VBR server or any proxies exist under the same vCenter server as the VBR servers or proxies processing the job. (See: https://www.veeam.com/kb2159)

Troubleshooting

Please contact Veeam Technical Support for further assistance.

KB ID: 1054
Product: Veeam Backup & Replication 11, Veeam Backup & Replication 10, Veeam Backup & Replication 9.5, Veeam Backup & Replication 9.0, Veeam Backup & Replication 8.0, Veeam Backup & Replication 7.0, Veeam Backup & Replication 6.5
Published: 2011-07-19
Last Modified: 2021-09-16
Languages: DE | FR | ES

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