Solution Properties
Solution ID:
200427112506418
Last Modified Date:
Fri Sep 18 12:48:42 UTC 2026
Taxonomy Path:
Case category//I have a problem with...//backups/file maintenance
Author:
[email protected]
ERROR: 'The Backup has been unsuccessful. Backup job terminated unexpectedly'
Description

When you take a backup Sage 50 Accounts, the following message can appear:

'The Backup has been unsuccessful. Backup job terminated unexpectedly.'

This message can indicate an issue with the Sage Accounts Data Service or an issue in Sage 50 Accounts.  

NOTE:

If you see the different error 'The Backup has been unsuccessful. Check data job terminated unexpectedly.', follow the steps in our other article.

Cause
Resolution

Temporarily turn off concurrent backups

CAUTION:

Don't use these steps as a permanent solution as this stops scheduled and concurrent backups working.

  1. Go to Settings, then Company Preferences and select Parameters.
  2. Clear the Enable Check Data and Backup with users logged in checkbox.
  3. Press OK.

If you no longer see this error message with concurrent backups off, it indicates a permissions issue or a full temp folder.

To keep concurrent backups on

Contact your local IT support to:

Check you're using the latest version

Ensure you install the latest updates for the version of the software you're using. 

Install these updates on every computer with an installation of Sage 50 Accounts.

If your Sage Accounts data is on a server without an installation of the software, install the update there as well. Contact your local IT support for any help with this.

If the issue persists, follow the Restart the data service steps below.

Using v31 or above?

Follow the steps to use the Sage 50 Data Service Manager to restart the services. If the issue persists, follow the Temporarily turn off concurrent backups section below.

 

Restart the data service

  1. On the computer holding your Sage Accounts data, you can stop and restart the Sage data services.
Steps to duplicate
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