Reboot the machine. Uninstall all backup software on your computer, including Windows Backup if it's installed. You don't need to uninstall backup software because backup software doesn't contain or install any VSS writers; however, we have seen VSS writers of other backup software manufacturers cause system instability and errors.
After all other backup tools have been uninstalled, open the Registry Editor regedit as administrator and check the following branch:.
If you do find another, it may be a residual registry entry of a previous backup software installation. You can save the entry by exporting the entire registry to a file right click and select Export and then it's safe to delete the entire branch entry underneath:.
Then reboot and try again running vssadmin list writers to confirm the problem has been resolved. On some systems, the command vssadmin delete shadows isn't available. If you don't get any VSS writer errors when using vssadmin list writers but the system isn't able to create a new VSS snapshot and you have deleted all existing snapshots , then you may have to actually increase the max shadow storage size on your system.
Use the previous command with a greater number, such as 10GB:. Note that it is also possible to allocate shadow copy storage space on a different drive, as along as it's local:. These instructions for bit systems may work on 64 bit as well :. Execute these instructions for bit systems:. Try updating them if you have them installed already. From the list of versions, select the desired version, click Restore , and then click Restore again in the dialogue prompt.
Click OK in the final two boxes and the process is complete. All Collections. Backups and Snapshots. Written by Katarina Ondrejovicova Updated over a week ago. Learn More. Hi Tom, I would suggest you to re-register volume shadow copy service and check. How satisfied are you with this reply? In reply to A. User's post on January 7, Thanks for the reply, Tadasha. Any idea what I did wrong?
I then used the programme they list for the 64bit system and, up to now, have not had any loss of system restore points and no error messages about shadow copies being aborted though this can happen for a few days anyway with no changes , but VSS Services is still not started.
Should it be? In the last 6 weeks, I've had to do 2 refresh installations to try to get rid of this - would these not reset the VSS right? In reply to tombarkas's post on January 7, Cause This can be a transient problem. Solution It is recommended to wait ten minutes and try again. Check for associated errors in the event log Cause This error is caused due to a problem with the VSS performing backups of any open files or files that are in use at the time of the backup.
When the Services page is open, check for Volume Shadow Copy service. It is stopped, select Start or Restart. Please wait a few moments and try again Description This warning is given typically when the VSS is unable to run due to another instance of VSS already running. Cause and Solution More than one backup program installed. If you have more than one backup program installed on your machine, disable all of the programs except for one and try running the backup job again.
Previous VSS snapshot has not completed properly and is still running. Stop and Re-start the Volume Shadow Copy service. Also a reboot of the machine is been known to clear this issue. Check for associated errors in the event log Description The writer infrastructure is not operating properly. Solution Check that the Event Service and VSS have been started and also check for errors associated with those services in the error log.
If this does not resolve the problem follow step 3. Open a command prompt. Type the following commands at a command prompt. Cause You may experience a problem that causes certain VSS writers to time out during a lengthy shadow copy creation. Solution To resolve this problem, obtain the latest service pack for Windows. Cause This problem occurs because of low time-out values.
Cause In a volume that spans multiple partitions or multiple disks, the VSS Service marks only the first partition. Solution There is no specific resolution from Microsoft for this error. Another revert cannot be initiated until the current revert completes Description A revert is currently in progress for the specified volume. Cause A third party provider is being used to perform a shadow copy instead of the system provider Microsoft Software Shadow Copy provider 1.
If yss, then you will see more than one provider in the output of the above command. Double-click UseMicrosoftProvider. To enable the new feature, type 1 in the Value box. To disable the new feature, type 0 in the Value box. Restart the server. Verification Trigger a backup. The backup will complete successfully. Uninstall the other software from the device whose provider was being used earlier.
The shadow copy provider had an error. Please see the system and application event logs for more information. The specified object was not found. Shadow copying of the specified volume is not supported.
The maximum number of volumes for this operation has been reached. The specified volume has already reached its maximum number of shadow copies. The shadow copy provider timed out while flushing data to the volume being shadow copied. VSS encountered problems while sending events to writers.
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