54824: Acronis Backup Advanced: Backup to a Managed Vault Fails with "The Storage Node is busy"

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Last update: 29-04-2021


  1. You are backing up to a Managed vault.
  2. Backup fails with:
    Connection has failed. The storage node is busy.


The issue can occur in large environments due to intensive load on Acronis Storage Node.


Set the following parameters on the machine, where Acronis Storage Node is installed:

HKLM\SOFTWARE\Acronis\ASN\Configuration\StorageNode\ClientConnectionLimit to 30

HKLM\SOFTWARE\Acronis\ASN\Configuration\StorageNode\FastOperationConnectionLimit to 30

HKLM\SOFTWARE\Acronis\ASN\Configuration\StorageNode\FastOperationQueueLimit to 100

HKLM\SOFTWARE\Acronis\ASN\Configuration\StorageNode\BackupQueueLimit to 100

  1. Open the Windows Registry editor (Start -> Run -> regedit.exe).
  2. Navigate to the keys.
  3. Locate the parameters and change them.

Restart Acronis Storage Node service.