A backup did not complete successfully.
Your Acronis Backup Cloud quick troubleshooting kit. Below are the most recently published and the most popular articles. The solution you are looking for is most probably right here.
Most recent articles
You have a backup of a machine with large disks (usually 1 TB and larger). When you go to Web Restore Console to browse the files on the disk, you see the error:
Server is not available at the moment.
You are backing up data of a Windows machine using file-level or disk-level backup plan.
In a while, backup fails with an error stack containing something like "Message: WMI 'ExecQuery' failed".
You restore a backup of a Windows Server 2008. Backup reaches 88% and does not show any progress for a long time.
In logs, you see that the software is performing bootability fix.
You have installed Acronis Backup Cloud agent for SQL and created a backup plan for a SQL instance.
Backup task fails with this error: "There are no SQL writers."
A backup operation fails with this error message:
| error 0x9: The shadow copy provider had an unexpected error while trying to process the specified operation.
| line: 0x2aacb7b2ab852ac
| file: k:\3539\fdisk\ver2\arch\windows\win_errors.cpp:40
| function: Fdisk::AddKstatusError
| code: 0x8004230f
| $module: arx_agent_fork_vsa64_3539
You have a 3rd party backup solution - StorageCraft ShadowProtect - installed on the machine along with Acronis software.
You are performing an agent-less backup of a VM located on MS Hyper-V server.
Backup fails with the following error message:
| error 0x728012: Failed to prepare for backup.
| error 0x530001: Failed to obtain an instance of service class 'Msvm_VirtualSystemManagementService'.
You are backing up several virtual machines with Acronis Agent for Hyper-V (installed on the Hyper-V host) or Acronis Agent for VMware (Windows) installed on a Windows machine connected to the ESX(i) host.
The backup plan is applied to a group of machines.
In a while, you receive an error message or an email notification about the error: "No backup items were resolved. GXT: The item provider has skipped the report of an item with key."
You have a local backup file and you want to mount it in read-only mode as a local drive to browse the archive or to restore the data from it.
After you mount the volume, you go to browse it. Contents of the Volume are not what you have expected but some system files.
You are backing up any data to a local drive or a network share of any type. Backup schedule is other than "Always incremental". Always incremental archives are not affected by this issue as this backup scheme produces archives of another type.
At some point when you already have a full backup and create subsequent backups, the process starts failing or producing a warning: "The archive is invalid or its type is unsupported."