21819: Acronis Backup & Recovery 11: Validation Fails if the Archive Name Contains Symbols "%" or "[ ]"

Last update: Fri, 2016-04-08 07:49

Do not use special symbols in archive names, except pre-set templates in the product.

This article applies to:

  • Acronis Backup & Recovery 11


  1. You create an archive with special symbols in the name, e.g. system[machine1];
  2. Backup operation completes successfully;
  3. Validation of this archive fails with the following error message:

    Either the backup file is corrupt or the file is not an Acronis backup


Issue in the product. Archive is not correctly processed if archive name contains % or [].


Rename the archive so that its name does not contain symbols [] and %.

(!) Standard name variables like [Plan Name] and [Machine Name] do not cause this issue.

More information

Issue has been fixed, update to the latest build. Special symbols are not allowed in the archive name except for pre-set templates.

See also: