48026: Acronis Backup 11.5: Backup Fails with "Another shadow copy creation is already in progress. Wait a few moments and try again." if Backing Up Multiple VMs

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Applies to: 

Update SnapAPI to 2514.

Symptoms

  1. You create a backup of multiple virtual machines.
  2. Several machines are successfully backed up until backup of one fails with:
    Another shadow copy creation is already in progress. Wait a few moments and try again.
  3. Backup of the remaining machines fails as well.

Cause

Issue in the product.

Solution

This issue has been fixed. Please update the SnapAPI module on the faulty Agent machine:

  1. Download SnapAPI2514 and unpack it.
  2. Make sure no backup is running and close Acronis Backup console.
  3. Start the .msi-installer and wait for the installation to complete.
  4. Now you can start backup, it should run successfully.

More information

Please contact Acronis Customer Central if you need assistance.

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