The following tables describe the solutions to help you resolve errors and warnings from your Preflight Check results for VMware VMs:
Changed Block Tracking (CBT)
Status |
Message |
Solution |
---|---|---|
Error |
Unable to enable changed block tracking. |
If the virtual machine does not have hardware version 7 or higher, upgrade the hardware version of the virtual machine, or create an agent-based backup plan in Arcserve UDP and use Arcserve UDP Agent (Windows) to back up the VM. |
Warning |
Changed Block Tracking is enabled with snapshots present. A full disk backup will be applied for Full and Verify backup jobs. |
Note: This affects Full and Verify backup jobs only. For an Incremental backup job, only changed data are backed up. To apply the used block backup for Full and Verify backup jobs, perform the following steps: 1. Delete all the snapshots associated with the virtual machine. 2. Log in to the Backup proxy server. 3. Open the registry editor and locate the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Arcserve\ARCserve Unified Data Protection\Engine\AFBackupDll\<VM-InstanceUUID> Note: Replace <VM-InstanceUUID> with the UUID value of the virtual machine where CBT is failing. You can find the value in the URL of the virtual machine that is used when connected to Arcserve UDP Agent (Windows). 4. Set registry key to "full disk backupForFullBackup"=0. 5. Create/set the registry to ResetCBT=1. 6. Submit the backup job. |
VMware Tools
Status |
Message |
Solution |
---|---|---|
Warning |
Out of date. |
Install the latest version of VMware Tools. |
Warning |
Not installed or not running. |
Install the latest version of VMware Tools and ensure that the tool is running. |
Disk
Status |
Message |
Solution |
---|---|---|
Error |
VM snapshots are not supported for the VM because it has a SCSI controller configured for bus-sharing configuration. |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the VM. |
Warning |
The physical Raw Device Mapping (RDM) disk is not backed up. |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the VM. |
Warning |
The virtual Raw Device Mapping (RDM) disk backs up as a full disk. |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the VM. |
Warning |
The independent disk is not backed up. |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the VM. |
Warning |
For Full or Verify backup jobs, the disk on the NFS data store is backed up as a full disk. |
Note: This affects Full and Verify backup jobs only. For an Incremental backup job, only changed data are backed up. Move the virtual disk to a data store on a block storage device or create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the VM. |
Power State
Status |
Message |
Solution |
---|---|---|
Warning |
Powered off |
Power on the virtual machine. |
Warning |
Suspended |
Power on the virtual machine. |
Data Consistency
Status |
Message |
Solution |
---|---|---|
Warning |
VMware does not support application-consistent quiescing for a VM that has IDE disks. |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the Microsoft SQL Server and Exchange Server data. |
Warning |
VMware does not support application-consistent quiescing for a VM that has SATA disks. |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent to back up the Microsoft SQL Server and Exchange Server data. |
Warning |
VMware does not support application-consistent quiescing because the version of the ESX server is prior to release 4.1. |
Upgrade ESX Server to 4.1 or higher or create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the Microsoft SQL Server and Exchange Server data. |
Warning
|
VMware does not support application-consistent quiescing because there are not enough SCSI slots available |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the Microsoft SQL Server and Exchange Server data. |
Warning |
VMware does not support application-consistent quiescing if the guest OS has dynamic disks. |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the Microsoft SQL Server and Exchange Server data. Note: VMware does not support application-level quiescing on virtual machines that are Windows Server 2008 or later with dynamic disks running on ESX Server 4.1 or later. |
Warning |
Not verified because the application failed to access the virtual machine. Verify that the user credentials are correct and have administrative privileges. |
Provide the built-in local administrator or domain administrator credentials to log in to the virtual machine guest operating system. Also, verify that the VMware Tools inside the virtual machine are update-to-date and running. For virtual machines in ESXi 4.x, VIX needs to be installed on the Console machine. Due to a VMware limitation, backup is supported only on VMs running on an ESX server that has a paid license. Backup is not supported on an ESXi server with a free license. Note: Data Consistency check is supported on Windows Server 2003 and later. |
Warning |
Unable to verify whether data-consistent backup is possible because the virtual machine is not powered on. |
Refer to the Power State column |
Warning |
VMware does not support application-consistent quiescing if the guest OS has storage spaces enabled. File-level recovery is supported only for those volumes that do not have storage spaces enabled. (Full VM recovery is supported through Recover VM). |
Create an agent-based backup plan in Arcserve UDP or use Arcserve UDP Agent (Windows) to back up the Microsoft SQL Server and Microsoft Exchange Server data. |
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