BA4900: One or more files failed the restore simulation¶
| Error code | Product | Applies to |
|---|---|---|
| BA4900 | BackupAssist | BackupAssist v8 or later. |
Description¶
BackupAssist has encountered issues when running the Backup verification process.
Resolution¶
There are 3 possible solutions to this error.
Solution 1 – Attempt a restore from the backup¶
It is recommended that you attempt a restore from the backup that encountered this warning. If you’re unable to perform a restore from the backup, then there is an issue and the Backup verification error is valid and you should continue to troubleshoot.
To perform a restore from the backup, follow the steps outlined here Files & Apps tab
Solution 2 – Try backing up to an alternate destination¶
Running the same backup to another destination will help isolate the issue further. If running the backup to another destination removes the warning, then this means that the issue is with the original destination, which should be investigated further.
The backup destination is configured as follows:.
- Open BackupAssist.
- Select Manage Backup Jobs
- Select the backup job.
- Select Edit from the top menu
- Select Select new destination from the top menu
- Select and configure the new destination.
- The run the job to see if the new destination encounters the same problem.

Solution 3 – Turn off Backup verification¶
If you are not wanting to run Backup verification during the backup process, it can be disabled as follows:
- Open BackupAssist.
- Select Manage Backup Jobs
- Select the backup job.
- Select Edit from the top menu
- Select Backup verification from the options on the left.
- Untick Enable restore simulation.

| Last updated | Created | Further assistance |
|---|---|---|
| 2nd June 2016 | 06th May 2014 | BackupAssist Support page |