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The Cloud, Tools, and Preferences menus are found at the top of the screen. Each contains additional options to help administrate backups. 

Cloud Menu

The Cloud Menu contains options related directly to the cloud storage associated with your account.

Import Cloud Certificate

Use this option to import a cloud certificate at any time. 

Check Cloud Connection

This option performs a quick test to see if the system is able to connect to the cloud. 

Manage Amazon S3 Storage

This heading applies to ZCB with Amazon S3 Storage only. Other versions of the product will not display these options. 

Purchase Cloud Subscription or Manage Cloud Subscription: Opens a browser window that connects you to Zmanda Network and the Amazon S3 portal. Your Zmanda Network account information and Amazon account information are required to access the information.

Cloud Billing: This takes the user to the web site that provides detailed billing information for the current month as well as the prior month. Amazon account information is required.

Tools Menu

The Tools Menu contains tools related to ZCB operation that do not fit anywhere else.

Restart Background Service

This tool restarts the two background services: ZCB Service and ZWC Service. These services must be restarted after certain advanced configuration changes, particularly those done in the Preferences > Advanced menu. 

Restore Catalog

ZCB stores special "metadata" for every backup run. This metadata is known as the Backup Catalog, which is used so that ZCB knows when a backup was taken, what's inside each backup, in which order incremental backups should be restored, and more. A restore cannot proceed without the catalog information.

This tool is the first step when restoring to a new machine. Please see Restore Catalog for more information. 

Move Local Backups

This tool moves backups on disk to a different location on disk. Please see How to move local backups to a new folder for more information.

Check Dependencies

Exchange backups have additional dependencies above and beyond those required for standard ZCB operation. This tool checks if those dependencies are installed. It also displays the version of the Java Runtime Environment installed on the system.

Preferences Menu

The Preferences Menu allows users to set various global settings. Any value that is set in the Preferences menu will apply for all backup sets. If a value is set globally in the Preferences menu and set in a backup set, the backup set value will be used. 

Bandwidth Management

This option allows users to limit the amount of bandwidth used by ZCB for all backup sets..

The value chosen here is not divided among backup sets. It will apply to each backup set separately. For example, each backup set will have a limit of 500kbps if a value of 500kbps is chosen in Bandwidth Management.


Notifications can be sent on Success or Failure of any given operation as described in the Configure Backup Sets section of the User Guide.

A SMTP server must be specified in order to receive notifications. The following information must be provided by the user:

  • From: Please specify the email address that will be in the From field of each email notification. Be sure to whitelist this address so the notifications are not flagged as spam or junk.
  • To: Input the email addresses to which the notifications will be sent. Separate multiple email addresses with a "," (comma) character.
  • Outgoing SMTP Server: This is the IP address or hostname of the outgoing SMTP server.
  • Port: This is the SMTP server port.
  • Security: Choose the type of security used for the email notifications. 
    • The proper value must be chosen, and the SMTP server must support the chosen value.
    • For example, if you are using Exchange server, please enable Require TLS encryption option on the Exchange server. To configure Transport Layer Security Encryption for clients, please see this Microsoft KB article.
  • Username: This is the email address/username which is to be used to log into the mail server.
  • Password: This is the password for the above email address/username.
  • Authenticate: Enable if the SMTP server requires authentication. Disable if it does not.

Use the Send Test Mail button to send a test mail. Review the SMTP server information provided or the settings on the SMTP server itself if the test fails. 

The Notification Preferences option allows users to choose if notifications will be sent on Failure, on Success, or both. 


The Advanced menu contains a variety of optional, advanced features.

Data Transfer and Networking

Proxy Servers: A proxy server can be used for data transfer to and from the cloud. 

  • Proxy Host: Enter the proxy server's host address.
  • Proxy Port: Enter the port used for access to the proxy server.

Please see How to configure ZCB to work with authenticated proxy servers if your proxy server requires authentication.

Ports: Ports 10080 and 10081 are used internally for transfer of data during backup or restore. These ports can be changed if necessary. These ports have nothing to do with firewall configuration, and do not need to be opened in a firewall.

  • Backup Port: Enter the port used to transfer data during a backup.
  • Restore Port: Enter the port used to transfer data during a restore.

The background services must be restarted if the ports are changed. Click Tools > Restart Background Service to restart the services. 

Threads: Multiple connections are opened with the cloud servers during upload or download of data. Each such connection is called a "thread". Increasing the number of threads can increase data transfer speed on some networks. However, using more threads than necessary can cause slower data transfer.

The default number of threads is 3 and the maximum number is 10

  • Max. Download Threads: Use this setting to change the number of threads used by ZCB when downloading data from the cloud.
  • Max. Upload Threads: Use this setting to change the number of threads used by ZCB when uploading data to the cloud.

Any change to the number of threads will not affect any data transfers currently in progress.

Retention Policy Enforcement

Retention policies are checked once per day. Those that have expired are purged.

  • Purge old backup data every day at: Retention policies will be checked at the time specified here.

The Report page shows old backups, even those that have been purged.

  • Keep expired backup run reports for: Set the length of time ZCB will display reports of old backup runs. Only backup runs that have expired or failed will be removed. Active backups will not be removed. 


Several folders are used by the program. You can change the locations of these folders.

  • Temporary Directory: Temporary files created during backups are stored in this directory. This folder must be on a local drive. 
    • The background services must be restarted to change the Temporary Directory. Click Tools > Restart Background Service after changes are saved. 
  • Backup Directory: Backups are saved to this directory in a folder with the name of the backup set by default.
    • Changes made to the Backup Directory setting will only apply to new backup sets. It will not change the location for existing backup sets.

    • Please refer to How to move local backups to a new folder if local backups must be moved to a new location.
  • Download Directory: During a restore, backup archives are saved to this directory by default.
  • Restore Directory: When restoring to an alternate location, files are saved to this directory by default.

RRS Storage

This option applies to Zmanda Cloud Backup with Amazon S3 only. It will not appear in other versions of the product.

By default, ZCB uses Amazon S3 RRS storage. Users can opt-in to more costly standard S3 storage. Please see How to switch to Standard Amazon S3 storage from Amazon S3 Reduced Redundancy Storage (RRS) for more information.

amandabackup user

A user named amandabackup is created during installation. ZCB stores the password chosen for amandabackup.

If this password changes in Windows, it must be updated manually in ZCB. Click the Update Password button to update the stored password for the amandabackup user. 

Please see Update amandabackup password for more information.


ZCB is available in ten different languages:

  • English
  • German
  • Japanese
  • Simplified Chinese
  • Traditional Chinese
  • Korean
  • Thai
  • Italian
  • Portuguese
  • Spanish

The chosen language should always match the language used for Windows on the system. File names that contain characters cannot be backed up unless Windows includes those characters. For example, ZCB, even if it is set to Japanese language, cannot back up files that contain Japanese characters unless Windows is running in Japanese.

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