"Cannot use Volume Shadow Copy backup, backup this volume by using normal operation" error

The file backup failed and the report contains the following entries:

YYYY/MM/DD hh:mm:ss [info] [1565605275414] Creating Shadow Copy for all volumes: \\?\Volume{62c69ed8-cf1d-11e7-80b4-806e6f6e6963}\, V:\, F:\, R:\, Q:\, S:\, P:\, C:\, \\?\Volume{a946b8c0-24dc-11eb-80fc-8dad3f560946}\, D:\, E:[2023/05/21 20:00:39] [info] [-] "\\?\Volume{a946b8c0-24dc-11eb-80fc-8dad3f560946}\" cannot use Volume Shadow Copy backup, backup this volume by using normal operation!! YYYY/MM/DD hh:mm:ss [erro] [BackupFileCmd.uploadBackupFiles][java.io.FileNotFoundException] Error=java.io.FileNotFoundException

To resolve this issue:

1. Close the AhsayOBM / AhsayACB user interface.
2. Stop the AhsayOBM / AhsayACB service.
3. Open the backup client installation folder.
   • Example: C:\Program Files\AhsayOBM or C:\Program Files\AhsayACB
4. Edit the following line:
   • com.ahsay.obx.core.backup.file.ShadowCopy.disableAddAllVolumes=
5. Change to:
   • com.ahsay.obx.core.backup.file.ShadowCopy.disableAddAllVolumes=true
6. Save the file.
7. Restart the AhsayOBM / AhsayACB service.

For an extensive discussion on what causes this issue and how to resolve it, watch the video.