Conflict with third-party program or service.The values SystemSetupInProgress and UpgradeInProgress should be set to 0 (zero) or not exist. Try running the backup during times of low or normal disk activity.Įnsure the system isn't in setup mode by checking the following registry key: High disk activity at the time of the backup may cause VSS to fail. The VSS provider may not support multiple snapshots being created at the same time.ĭepending on the version of Windows being used and the size of volume, there may need to be 300MB to 1GB of free space available on the volume. Make more space by deleting unnecessary files and/or moving files to another drive. Multiple simultaneous use of the VSS providerĮnsure the system is not running another service using the VSS provider at the same time as the backup is to be run.As an example, a Dell utility partition being included in the backup can cause VSS to fail. Use PHYLock instead of VSS if the volume is not formatted NTFS. VSS only supports NTFS formatted volumes. Source volume being backed up is not formatted NTFS.Make sure to check each partition that is being backed up.įor help on running a file system check in Windows directly from Explorer, please see: You can perform error checking on a volume by running chkdsk /f or chkdsk /r on it.įor example, to check the C: drive, open an Administrator Command Prompt and run the following command: Snapshot creation may fail if file system errors are encountered. The following list contains other possible causes for this problem and steps to resolve them: See KB article Backup Fails with VSS Event 4001. Once the partition is online you can attempt to create the backup again.Įrror is reported along with Event ID 4001 To exit DISKPART: Type exit and press Enter.To set the partition offline: Type offline volume and press Enter.To set the partition online: Type online volume and press Enter.To view volume details: Type detail volume and press Enter.Select the volume ( Volume 1 will be used in this example): Type select volume 1 and press Enter.The Info column should indicate if the partition is offline. Make note of the volume number assigned to the partition in question. This will list the volumes (partitions) on the system. To view or change the online status of a partition, run the applicable commands at the DISKPART prompt: It will return to the offline state when the system restarts. an installed program requirement), the partition can be brought online manually before performing the backup. Note: If automount has been disabled for a specific reason (e.g. In most cases, you will want to have automount enabled. To disable automount: Type automount disable and press Enter.To enable automount: Type automount enable and press Enter.To check the state of automount: Type automount and press Enter.Run the applicable commands at the DISKPART prompt: To check or change the state of automount, start an Administrator Command Prompt, then type DISKPART and press Enter. However, if automount is disabled or a third-party program has affected the system, it's possible the partition will remain in the offline state. Windows will normally automatically bring this type of partition online. For example, the System Reserved partition of Windows 7 or Windows Server 2008 R2, which is usually not assigned a drive letter, has been changed from online to offline. This error can be caused by one of the partitions included in the backup being set offline. The free space needed is at least 32 Mb for each volume to be shadow copied.Įrror is reported along with Event ID 12293 Add at least one NTFS drive to the system with enough free space. Volume Shadow Copy Service error: Cannot find diff areas for creating shadow copies. Volume Shadow Copy Service error: Error calling a routine on a Shadow Copy Provider \. There may be multiple events logged for a single failure (e.g. ( 80042308h: VSS Object not found - VolumeName does not correspond to an existing volume)Įrrors will also be reported by VSS in the Windows Event Log. Two examples are shown below:Įrror: VSS Snapshot Creation Failed (80042308h) The VSS snapshot fails and reports an error in the IFW.log file. Image for Windows is configured to use VSS instead of PHYLock to obtain the snapshot of the drive.
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