3 Solutions when ScanPST Failed to Add Row to the FLT

While attempting to repair a corrupt PST file with the ScanPST utility, you may at times receive an error that mentions that ScanPST failed to Add Row to the FLT. Let’s understand the key causes behind this error and look at 3 solutions to quickly resolve this issue.

3 Solutions when ScanPST Failed to Add Row to the FLT

The MS Outlook application has a propensity to occasionally trip up and crash. When the Outlook application crashes or encounters a debilitating error, the underlying PST file can get corrupted. To recover the corrupt PST files, users often rely on the ScanPST utility provided by Microsoft. However, the utility can at times fail to recover the corrupt PST file and throw up an error message where it mentions that it failed to Add Row to the FLT. Typically the message is shown repeatedly with a different RowID being mentioned with each statement.

"Failed to add row to the FLT" Error

What Causes ScanPST to Throw up the Error

The ScanPST application often lacks the technical finesse to handle incidents of extensive corruption in PST files. In some cases, when the corrupt PST file that needs to be recovered is humungous in size, it is likely to get stuck and throw up this error message. Bad sectors or file integrity issues are also known to cause this issue. Add to it in some cases, if you are trying to use ScanPST to recover a compromised file from a network drive, this issue can also show up. 

Irrespective of what might have caused this error, you need to consider recovering the PST data through alternate means. We have listed below 3 effective ways to resolve the issue.

#1. Use a Sophisticated Recovery Application to Extract the Contents of the Compromised PST file

While the ScanPST application is touted as a credible solution for dealing with corrupt PST files, its track record is often mixed. Numerous users have over the years complained about the high failure rate of this tool. Hence it is better to use a powerful recovery tool like DataNumen Outlook Repair. This sophisticated utility is designed to handle even the most challenging cases of PST corruption. Moreover, the tool is capable of dealing with large corrupted PST files with effortless ease.

DataNumen Outlook Repair

#2. Restore the Outlook Application to Previous Working State by Running System Restore in Windows

Using the System Restore feature present in the Windows System, you can revert back the system to a previous date where the MS Outlook application was working effectively. To run the System Restore in Windows, go through the steps mentioned below

  • Go to the Windows Search Bar (Run Box) in Windows and type in System Restore
  • Open the Recovery Control Panel
  • Next, click on Open System Restore from the given options
  • Now choose a restore point before the incident of PST corruption and follow the onscreen instructions to complete the restore process
Windows System Restore

#3. Use a Backup PST File

In case you have made a backup of the PST file, you can consider replacing your current file with it. This method will be faster than the 2nd method since it will only restore the PST file, not the whole system. To do so, perform the steps listed below:

  • Launch the Outlook application and head to Account and Settings from the File tab
  • Click on Account Settings from dropdown options and head to the Data Files tab
  • Copy the Location mentioned for the Outlook Data file and open the folder location 
  • Move the existing file (Outlook.pst) to a different location
  • Now place the backup PST file in the location of the original file and rename it to Outlook.pst
  • Once done, just restart your Outlook application and start working normally
Find the location of the Outlook PST file

You can also find more detailed information on how to find the location of a Outlook PST file at Windows support site.

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