Upon installation, ZCB creates a new local user named amandabackup. For fine-grained access control, ZCB uses amandabackup for performing all backup related tasks.

What does amandabackup do?

amandabackup is used for nearly every ZCB function, including:

  • Scheduling operations such as backup, upload, download, and restore.
  • Starting operations triggered manually.
  • Accessing encryption certificates.
  • Storing encryption passphrases.
  • Accessing mapped network drives.
  • Running background services.

ZCB creates amandabackup with administrator privileges, which are required for backup-related tasks.

Windows domains and amandabackup

If you intend to run ZCB in a domain environment, amandabackup must be created as a domain user. Please see How to make amandabackup a domain user.

If you plan to backup networked mapped drives in a Windows Domain environment, you must start the ZWC Service as the DOMAIN/amandabackup user. Please see How to use external or mapped network drives with ZCB.

Additional information about amandabackup

To update the amandabackup user password, please see How to update the amandabackup user password.


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