BA4331: Exbackup failed to create an overflow PST for one or more mailboxes¶
End of life
Mailbox Protection reached end of life on 28 February 2017 and is not part of BackupAssist v10 and later. This article applies to BackupAssist v9 and earlier, which no longer receive technical support. See Software end of life.
| Error code | Product | Applies to |
|---|---|---|
| BA4331 | BackupAssist | BackupAssist v5.3 and later |
Description¶
This error occurs when one of the PST format limits has been reached and BackupAssist tried to create another PST file for the excess data, but failed.
The limits are as follows:
ANSIFormat - 2GB file size, 16383 files per folder.
Unicode Format - 20GB file size, 65534 files per folder
Resolution¶
To get under the limits listed above, you may need to break the PST files down using another grouping method.
To change grouping methods in your mailbox backup, follow these steps:
- Open BackupAssist
- Click on the Jobs tab's Manage Menu and select the mailbox backup job you need to change from the list provided.
- Click on Destination down the left hand side.
- Change Grouping Method to either quarterly or monthly archiving.
| Last updated | Created | Further assistance |
|---|---|---|
| 17th Oct 2014 | 19th May 2010 | BackupAssist Support page |