When the backup task fails, [Exit Code:-311] is recorded in the task log

Symptoms

When the backup task fails, [Exit Code:-311] is recorded in the task log.
This is an error associated with the VSS (Volume Shadow Copy) and occurs in the preparation stage of the snapshot.
Check the error in the Windows event log.

Windows Application log:
Log Name: Application
Source: VSS
Level: Error

Windows System log:
Log Name: System
Source: volsnap
Level: Error

Resolution

–  Confirm the tracking drivers
System Information — software environment — Check if there is “aiptrack” system driver.

– Reboot the OS after installation.
If you have not done a reboot after installation, it will not work properly.
* In Windows 2000, error -999 occurs, because VSS is not implemented.

– Upgrade to the latest version

– Check the Registry
If Registry value is wrong, -311 error occurs.

Registry check and repair procedure:
1) Start the command prompt, type regedit, and then start the Registry Editor.
2) Delete the blank line of UpperFilters.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ControlClass\{71A27CDD-812A-11D0-BEC7-08002BE2092F}

Example)
Value of AipTrack is recorded in the state that contains a blank line.

—
aaaa

AipTrack
—

—

AipTrack
—

Delete the blank as follows.

—
aaaa
AipTrack
—

—
AipTrack
—

3) After performing a restart of the OS, backup please make sure it is working properly.

If restart fails, please boot in safe mode.
Once after you start in safe mode, please restart.

https://windows.microsoft.com/ja-jp/windows-8/windows-startup-settings-safe-mode

MoreInformation:
Apply the Latest Service Pack.

Apply the Patch and HotFix.

The application of the roll-up package