How to Remove Unexpected DSNs with Inbox Repair Tool?

DSN or Delivery Status Notification is an automatically generated e-mail message that reports the sender that a delivery problem has occurred. It basically signifies that for some reasons, message has rebound. When it comes to Outlook personal folder (.pst) file, a user might experience unexpected DSNs for several read and unread e-mails. Such kind of notifications are the possible indications of PST corruption. Thus, to regain access to lost data, restore from backup or running the Inbox Repair Tool (Scanpst.exe) is required.

To better understand such problems, consider a scenario discussed further. When using Microsoft Outlook 2003, you start noticing some unpredicted DSNs for various e-mail messages. You observe that this problem started occurring after you installed security update 925938 and/or 929969 for Outlook.

Cause

An Outlook PST generally generates unexpected DSNs when it is damaged. That's the reason why you are recommended to backup your PST before installing any updates to avoid post-crash consequences.

Solution

The damaged PST can be repaired using Scanpst.exe tool (Outlook built-in PST repair utility). This file is a part of each Outlook Installation. Follow the below steps to run the tool:

- Locate the 'Scanpst.exe' file on the hard drive using Windows search tool or you can go directly to its standard location:

disk drive:\Program Files\Common Files\System\MSMAPI\1033

Where, disk drive is the drive letter of your primary drive, usually 'C'.

1. Double-click the file located above that starts the tool.

2. Browse to the path of corrupted PST path and click 'Start'.

3. Exit the tool when the repair finishes.

The unexpected DSNs problems should go away if the repair completes successfully. However, if the problem continues, you are strongly recommended to use a third-party Inbox Repair Tool to deal with the corrupted PST problem more powerfully.

The commercial Inbox Repair Tool is designed to meet the standard needs of an effective and easy-to-use utility. These are fully functional applications with graphically intuitive interface and thorough scanning procedure. The step by step procedure of repairing corrupted PST guides you through simple recovery.

Outlook Inbox Repair is an efficient utility that repairs corrupted Outlook PST and restores it to a new and original format pst file. The Inbox Repair Tool supports MS Outlook 2010, 2007, 2003, 2002, and 2000. With a 3-pane display, this PST file repair product comes handy with simple steps. The tool is compatible with Windows 7, Vista, XP, 2003, and 2000.

How to Solve Outlook 2007 Error: ‘An unknown error has occurred. 0X80040119′ ?

The most common symptom of PST corruption is that Microsoft Outlook loses the ability to send and receive e-mail messages. An Outlook PST can get corrupted for several reasons, from the simple unexpected shutdown to the complicated network file sharing. When these events occur, they usually result into data inaccessibility. Hence to restore the lost data, a user requires to apply the latest backup or a PST Recovery utility.

The further error message and scenario will help you realize such problems. Consider you use Microsoft Outlook 2007 on a Windows Vista computer. You install some updates and after this, you observe that when you click to read an e-mail message in Outlook Inbox, you cannot do so and receive the below error message:

“An unknown error has occurred. 0X80040119”

Further, when you click Send/Receive option, it reports the same error again.

Cause

Error ‘0X80040119′ generally indicates *.pst file corruption. In this specific case, this might have occurred due to improper or incompatible updates.

Solution

The ideal solution to fix PST corruption is to use Inbox Repair Tool, which comes associated with a program file- Scanpst.exe.

Note: Scanpst.exe is a hidden file. So, you need to enable the view of hidden and system files or otherwise, the file may not be located.

You can proceed with the below steps after clicking the ‘Show hidden files and folders’ option:

• Close Microsoft Outlook 2007
• Locate the Inbox Repair Tool. Its typical location is:
• %ProgramFiles%\Microsoft Office\Office12\

You can also use Windows search tool to find ‘Scanpst.exe’ file.

• Double-click the file to start the tool
• Enter the name and specify Outlook PST path
• Click ‘Start’
• Exit the tool once the repair completes

The scanpst.exe (inbuilt Microsoft Oulook utility) cannot repair a PST above 2 GB and highly damaged file. So, if the tool fails to fix PST corruption, you need a third-party PST Recovery Software. With exclusive and safe repair algorithms, these inbox repair tool prove as perfect repair utility for corrupted PST. Moreover, they can be used in any specific problem of PST corruption.

PST Recovery Tool is a professional utility that repairs corrupted PST and restores all e-mails, notes, contacts, calendar entries etc. in a new, Outlook-usable PST. The PST Recovery Software supports MS Outlook 2010, 2007, 2003, 2002, and 2000. The software has a user-friendly interface that makes the software easy to use.

How to Solve Sending reported error (0x80040201) Error in Outlook?

Microsoft Outlook supports using IMAP (Internet Mail Access Protocol 4) account that uses a personal folders (.pst) file as the default e-mail store. A PST can get corrupt for several reasons and show abrupt symptoms, such as described below. These events create situations that demand for PST Recovery solutions.

For example, consider a situation when you try to send an e-mail message in MS Outlook 2003, which is configured to use an IMAP account. The message sending fails and you receive an error message as mentioned below:

“Sending reported error (0x80040201): 'Unknown Error 0x80040201.”

You might observe additional symptoms like you fail to delete email items from your personal folder.

Cause

All these symptoms indicate that the Outlook PST that you are using as the default data file is corrupted. The most probable reason could be PST file size above 2 GB. MS Outlook 2002 and its earlier versions have a file size limitation of 2 GB for PST, beyond which PST gains chances of being corrupted. However, PST file corruption can also result from other reasons too.

Solution

To repair the corrupted PST, Outlook installation includes a Scanpst.exe file. The file launches 'Inbox Repair Tool' that can fix most of the corruption issues associated with Outlook PST. This is a hidden file, so make sure that the 'Show hidden files and folders' option is enabled to view the file. Further, you can follow these steps to start repair:

1. Close Outlook
2. Click 'Start' and then 'Find' or 'Search'
3. Type 'scanpst.exe' in the search box
4. Double-click the file to open 'Inbox Repair Tool'
5. Browse to the affected PST and specify the file name
6. Click 'Start' to begin repair
7. Click 'OK'

The Inbox Repair Tool(scanpst.exe) cannot repair the PST that is above 2 GB in size. Though you can use the 2 GB truncation utility to crop the file first and then repair, but this causes specified value of data to lose. A more efficient and safe solution to repair such PST (or any corrupted PST) is to use a commercially built PST Recovery Software. These applications are perfectly designed PST File Recovery utilities that use advanced scanning algorithms to examine and repair the corrupted Outlook personal folder.


PST Recovery Software is a user-friendly utility that repairs corrupted PST and restores it with original content and view. The PST Recovery Software supports MS Outlook 2010, 2007, 2003, 2002, and 2000. The software offers a 3-pane interface, similar to what Outlook appears. The tool is compatible with Windows 7, Vista, XP, 2003, and 2000.