The requester must include all volumes that contain system-critical components reported by writers, such as the volumes that contain the Active Directory. InitializeForRestore method to initialize the instance for restore by loading the requester's Backup Components Document into the instance.
If this does not resolve the issue, open Event Viewer as described in the "Open Event Viewer and view events related to VSS" section and look for events related to the service or process that hosts the writer. It is important to note that during WinPE disaster recovery, ASR writer functionality is present, but no other writers are available, and the VSS service is not running.
This is instead of the cumbersom enumeration interface available in the original COM interfaces. Once the snapshot is created the contents can then be transferred to the backup media. You have a computer that is running Windows Server Note that if "ExcludeDisk" is specified for a disk that contains a critical volume, the subsequent call to IVssBackupComponents:: Task Scheduler Writer This writer reports the task scheduler's task files.
Add tempDirectory attribute to compilation tag. If the disk that contains the requester's backup set is a local disk, this disk should be included.
You will generally see 'Failed to Create Volume Snapshot' followed by a hex result code. Some methods return a value instead of using an out parameter. The ASR writer must be included in any backups required for bare-metal recovery.
SetBackupState to configure the backup. The number of physical disk extents must be greater than the number of disk extents specified in the ASR writer metadata.
Hopes this brings idea for you to solve it. The following example shows how to use SetRestoreOptions to prevent disk 0 and disk 1 from being re-created and inject third-party drivers into the restored boot volume. VSS uses writer components to ensure that the file system is in a stable state when creating your disk image.
Link to instructions on creating elevated command prompt at bottom of tutorial. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website: I checked out my.
These utilities utilize the workflow outlined in the successful handling of a failed retryable writer case. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. The current contents of the disk are written to a shadow copy buffer before the write takes place.
VSS requires at least one NTFS volume to be present and online for it to operate without one you will receive the error: ASR will re-create the volumes exactly the way they were at the time of the backup and set the RestoreSession registry key.
StartSnapshotSet to create a new, empty shadow copy set. This will list all your VSS writers with their current state and last error.
For default installation, the service name is "MSMQ". SetContext to set the context for the shadow copy operation. If necessary, restart the service or process, and retry the operation. The number of plexes per volume must be unchanged.
Retry the backup or restore operation that caused the error condition. If either of these utilities are successful in creating the backup, and the writer in turn is returned to a healthy state you might consider following up with the backup vendor to ensure VSS calls are being made appropriately.
If this does not resolve the issue, restart the service or process that hosts the writer, and retry the operation. However, it depends on the service which is restarted. "The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing.
VSS is available in the Volume Shadow Copy Service SDK, which you can download from the Windows Download Center. Troubleshooting Find the failed. History. Originally posted. Update Added a PowerShell command for listing failed VSS writers.
Added VSS writers for SharePoint. Thanks to Radoslav Viktor Terstenjak for contributing the service associated with the OSearch VSS Writer. What is VSS? VSS is a copy-on-write driver that intercepts disk writes before they actually happen.
The current contents of the disk are written to a shadow copy buffer before the write takes place. This enables a disk image to represent an exact point in time and.
A VSS backup-and-recovery application that performs disaster recovery (also called bare-metal recovery) can use the Automated System Recovery (ASR) writer together with Windows Preinstallation Environment (Windows PE) to back up and restore critical volumes and other components of the bootable system state.
The backup application is implemented as a VSS requester. Macrium Reflect uses a Microsoft service called Volume Shadow copy Service to enable disk images to be created and files to be backed up when in use.
When VSS fails it can sometimes mean that you are unable to create a disk image or backup open files with Macrium Reflect.Vss writer service windows 2008