After upgrading to Backup Exec 2012, compression is enabled for disk based backups when the default setting is disabled.


Compression settings for all jobs are maintained during an upgrade.

This includes hardware compression settings for disk based backups to Deduplication Disk Storage or Backup-to-Disk.

Or software compression is enabled for backups targeting Disk Based storage when software compression has not been configured.

Error Message

The job has been configured for either data encryption or software compression, or both. The job is also targeted to a device that is capable of data deduplication. Encryption and compression of the backup data can prevent much of the data from being deduplicated.


A hotfix is now available for this issue in the current version(s) of the product(s) mentioned in this article. Refer to the Hotfix link under Related Documents at the end of this article to obtain the hotfix needed to resolve the issue.

Backup Exec 2012 Rev 1798 Service Pack 2 (TECH203155)

Terms of use for this information are found in Legal Notices.



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