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Error 0x70021: Failed to create volume snapshot

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Hi

I have been using acronis True image for many years, I'm actually with 2021 version runnig in WIndows 10 21H2.

It's been a short time that I have big problems in backing up my system that I have planned weekly. before starting the backup successfully, I recieve 3 emails with this content:

2021-11-22T11:10:06:148+01:00 25132 I00000000: -----

2021-11-22T11:10:06:148+01:00 25132 I00000000: ATI Demon started. Version: 25.8.1.39216.

2021-11-22T11:10:06:185+01:00 25132 I00640000: Attributi della copia di riserva del backup: format tib; need_reserve_backup_copy false;

2021-11-22T11:10:06:186+01:00 25132 I00640002: Operazione Samsung SSD 870 EVO 500GB SVT01B6Q avviata con pianificazione.

2021-11-22T11:10:06:758+01:00 25132 I00640000: Attributi della copia di riserva del backup: format tib; need_reserve_backup_copy false;

2021-11-22T11:10:06:758+01:00 25132 I013C0000: Operazione: Backup

2021-11-22T11:11:11:572+01:00 25132 E00070021: Error 0x70021: Failed to create volume snapshot.

| livello traccia: errore

| line: 0x8ba4fa0bac28c272

| file: e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\resizer\archive3\backup_partition.cpp:1311

| funzione: resizer::Archive3ImageBuilder::BackupPartitions

| line: 0x8ba4fa0bac28c272, e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\resizer\archive3\backup_partition.cpp:1311, resizer::Archive3ImageBuilder::BackupPartitions

| $module: disk_backup_vs_734

|

| error 0x10c449: Failed to lock the volume snapshot.

| line: 0x3fec04e376b8a236

| file: e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\fdisk\win_snapshot.cpp:1344

| funzione: win_snapshot_core::CallSbLock

| line: 0x3fec04e376b8a236, e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\fdisk\win_snapshot.cpp:1344, win_snapshot_core::CallSbLock

| $module: disk_backup_vs_734

|

| error 0x9: Stato sconosciuto.

| line: 0x2aacb7b2ab852ac

| file: e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\fdisk\ver2\arch\windows\win_errors.cpp:40

| funzione: Fdisk::AddKstatusError

| line: 0x2aacb7b2ab852ac, e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\fdisk\ver2\arch\windows\win_errors.cpp:40, Fdisk::AddKstatusError

| code: 0xe000006d

| $module: disk_backup_vs_734

|

| error 0xfff0

| line: 0xbd28fdbd64edb8f1

| file: e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\common\error.cpp:307

| funzione: Common::Error::AddWindowsError

| line: 0xbd28fdbd64edb8f1, e:\jenkins_agent\workspace\ati-disk_backup\734\product\main\core\common\error.cpp:307, Common::Error::AddWindowsError

| code: 0xe000006d

| $module: disk_backup_vs_734

2021-11-22T11:11:11:642+01:00 25132 E013C0005: Error 0x13c0005: Operazione completata senza errori.

| livello traccia: errore

| line: 0x9f2c53c72e8bcedb

| file: c:\jenkins_agent\workspace\ati-main-win-ati\62\products\imager\demon\main.cpp:741

| funzione: main

| line: 0x9f2c53c72e8bcedb, c:\jenkins_agent\workspace\ati-main-win-ati\62\products\imager\demon\main.cpp:741, main

| $module: ti_demon_vs_39216

It takes 3 attempts with Error 0x70021 before starting and ending the back successfully.

0 Users found this helpful

Pietro, welcome to these public User Forums.

Volume snapshot issues originate from the Microsoft VSS snapshot service and can have various different causes.

I would recommend downloading and running the Acronis VSS Doctor tool followed by doing a Windows restart which can also help fix some VSS issues.

You may also need to run CHKDSK on your Source disk drive partitions.

Pietro,

In addition to chkdsk as Steve suggests, I would also run from an admin command prompt the following two commands:

  1. DISM /Online /Cleanup-Image /RestoreHealth
  2. sfc /scannow

Run the VSS Doctor tool again after the above.  If problems persist and if you are running an SQL database it is possible that hi disk load is a problem.  VSS doctor can detect that.