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.

Tips to Solve Inbox Repair Tool Error: “An unexpected error prevented access to this file”

The Inbox Repair Tool is the Microsoft provided utility that is designed to repair corrupted PST files of Microsoft Outlook. The tool resides at a typical location, which is decided by the Outlook version in use. In Outlook 2007, it is :\Program Files\Microsoft Office\Office12. But the application comes with limited repair functionality and thus, sometimes fails in situations when the degree of PST corruption is high. Such problems make it imperative you to use a third-party PST file repair tool that can act more powerfully than this Microsoft tool.

The tool is associated with a program file called 'Scanpst.exe'. So, to run the utility, you need to locate this file first. At times, when you try to run an Outlook 2007 Inbox Repair Tool in order to repair a corrupted PST, it may prove unsuccessful with the following error on screen:

“An unexpected error prevented access to this file. Use ScanDisk to check the disk for errors, and then try using the Inbox Repair tool again.”

The error suggests that for some reasons, Scanpst could not be accessed.

Cause

Scanpst might fail to be accessed due to disk errors or related problems. It can also happen if PST is severely corrupted and the repair is beyond the capabilities of Scanpst tool.

Solution

To troubleshoot the described problem, you need to apply these solutions:

A)Run chkdsk to determine and correct disk related problems. Try to run the tool again.
B)If this doesn't help, you should recover the PST data as follows:

1.If you can open the PST, create a new data file with Outlook and import all the data to it
2.If you cannot open the PST, restore from a backup or use a third-party PST repair utility

The third-party repair outlook inbox products are empowered by suitable scanning algorithms that can repair a corrupted or damaged Outlook Inbox easily and efficiently. The software are easy to install and can be operated even without any prior knowledge. These are commercial Inbox Repair Tool with interactive design and competency to work while each level of damage.

Outlook Inbox Repair is a reliable and featured tool to repair a corrupted PST. The software restores the data in a new, Outlook-importable PST. The Inbox Repair Tool supports MS Outlook 2007, 2003, 2002, and 2000. The software has a 3-pane display that includes direct buttons to view e-mails, calendar etc., similar to Outlook.

Solving PST Error when Using Import-Mailbox cmdlet

You might sometimes require to import Outlook PST data to an Exchange Server mailbox. Unlike earlier versions, in Exchange Server 2007, the exmerge is no longer supported for importing data from an Outlook PST. For this to occur, you need to take help of Import-Mailbox cmdlet (pronounced as commandlet). This cmdlet performs administrative task, but won't let you to import PST items if it is corrupted. In such cases, you may receive certain errors suggesting you to run Inbox Repair Tool (Scanpst.exe).

The Import-Mailbox command is usually run through Windows PowerShell, which is an extensible automation engine comprising of a command prompt and related scripting language. Consider an instance when you try to run Import-Mailbox command for a PST using Windows PowerShell. At this point, you might observe one or more of the following symptoms:

1. PowerShell reports that it has encountered a problem and needs to close.
2. The application event log reads a .Net Runtime 2.0 error.
3. You receive an error as below:

“Faulting application powershell.exe, version 6.0.5430.0, stamp 451acab4, faulting module olmapi32.dll, version 12.0.4518.1014, stamp 45428191, debug? 0, fault address 0x0024a22f.”

Cause

The PST being imported is corrupt.

Solution

You should implement these suggestions to solve the existing issue:

1. You can run Inbox Repair Tool (Scanpst.exe) to repair the corrupted PST. This utility is a part of MS Outlook installation and is a hidden file. So, make sure Outlook is installed before locating the tool and you include all hidden and system files in your search.

2. Check if a backup is available. If yes, you can delete the corrupt PST and restore from the backup.

3. If you can open the affected PST, create a new PST and try to import data from the old PST.

4. In case you cannot open PST while no backup exists, you are suggested to use a third-party PST file repair utility. These are commercial Outlook Inbox Repair Tool designed exclusively for repairing and restoring corrupted PST. These Inbox Repair Tool are available with an easy installation procedure and also, can be run with an interactive user interface.

This Outlook Inbox Repair Software is an advanced PST repair tool that fixes corruption of Outlook PST and restore it as a new, Outlook-usable PST. The Inbox Repair Tool supports MS Outlook 2010, 2007, 2003, 2002, and 2000. The software has a 3-pane view to display the message. It is compatible with Windows 7, Vista, XP, 2003, and 2000.

Archive.pst is Corrupted: How to Repair?

The PST is where your Outlook keeps all your data. Since the file is limited to a size value and emails keep on piling, you should move your emails to another .pst file. The process is known as PST archiving. It generally involves moving old emails. But if you continue to use the same archive.pst file for a long time, the file may corrupt. Other reasons for corruption are unexpected shutdown, software bugs, network sharing etc. So, you must keep the backup of your archive.pst file in order to avoid any post-consequences of file corruption. However, if archive.pst gets corrupt when no suitable backup is present, you should use Outlook Inbox Repair Tool to fix corruption issues related with PST. In case of tool failure, you should opt for third-party solutions.

For instance, suppose you create an archive.pst file. When you try to import this file in Outlook, the operation may fail giving the below error:

“Properties for this information service must be defined prior to use”

When you click 'OK' to this error, you receive another error message:

“Errors have been detected in the file \archive.pst. Quit Outlook and all mail-enabled applications, and then use the Inbox repair tool(Scanpst.exe) to diagnose and repair errors in the file.”

Cause

The archive.pst file is corrupt and cannot be restored.

Solution

You need to repair the corrupted archive.pst file. For this, you should run Scanpst.exe tool, which is a built-in tool of Outlook to repair a corrupted .pst file. Make sure you backup the file, prior running the tool as it can cause irrecoverable damages. To run the tool, you should run these steps:

1.Click Start and point to Search
2.Type Scanpst.exe in the named box for files and folders
3.Open Inbox Repair Tool by double-clicking the located file
4.Specify the file name and path (directly or by browsing to the location)
5.Click Start for repair

In most cases, Scanpst.exe fails to repair the corrupted PST file. You should then use third-party Outlook Inbox Repair products. These are automated Inbox Repair Tool built with suitable scanning algorithms to result repair in each instance.

Outlook PST Repair is a high-end and safe Inbox Repair Tool to repair and restore a corrupted PST file. The Outlook Inbox Repair Software is a graphically rich product with a 3-pane structure to view messages. This outlook Inbox Repair software supports Outlook 2010, 2007, 2003, 2002 and 2000. The software restores all email messages, notes, contacts, calendars, contacts and other PST items.

Outlook Inbox Repair Tool Freezes while Repairing

Microsoft Outlook Inbox Repair Tool (Scanpst.exe) allows you to recover emails, folders and other email items from a damaged Personal Folders file. Scanpst.exe is a hidden file that comes with Windows installation. The tool validates and fixes corruption errors that are associated with a .pst file. It corrects errors that exist in internal data structures of Outlook data file, but can fail if the corruption is severe. The tool also has a limitation that it cannot repair a file of more than 2 GB in size in Outlook 2002 or earlier versions. To deal with problems when the tool cannot repair your damaged .pst file, it is recommended to use third-party Outlook Inbox Repair tools that can repair the file using more powerful scanning procedures.

To illustrate the scenarios when the Scanpst.exe tool can fail, consider a situation when your .pst file gets corrupt:

1. You receive an error suggesting that the message interface has returned an unknown error.
2. You try to repair the file using Scanpst.exe tool.
3. The scanning process results that there are errors in the file. But when you click to repair them, the application hangs and you cannot repair the file.

Cause

The probable causes are that PST file is oversized, larger than 2 GB. This occurs when you use Outlook 2002 or an earlier version file.

The Scanpst.exe tool can also fail to repair if corruption extent is beyond its repair capabilities.

Solution

Following solutions can help you recovering from such problems:

1. To repair an oversized file using Scanpst.exe tool, you can first crop it by using PST crop tool. This will reduce the size of the file by truncating it. It is highly suggested to backup the file prior truncating it. Some of your important emails might get deleted.
2. If you can open the file, you can reduce the file size by deleting the unwanted emails and items
3. If the problem persists, you should use commercial Inbox Repair Tool for your damaged .pst file. These software provide you graphically rich interface plus efficient Inbox Repair Tool capabilities to repair even a highly damaged file.

PST Repair is an advanced and fast utility that scans and repairs a corrupted .pst file using high-end scanning procedures. The tool is compatible with Outlook 2007, 2003, 2002 and 2000. It is a safe .pst file repair product giving 3-pane structure to view the email messages. The software can restore all file items at a safe location.

How to Solve Email Problems in Outbox ?

A corrupted PST file is often attempted to repair using Inbox Repair Tool (scanpst.exe). The tool is included in all the installation options of Microsoft Office Outlook. But if it fails to fix the corruption, you are suggested to look for powerful commercial applications to repair the file.

For example, consider a situation when you send an email in Microsoft Outlook. You notice that the mail is not moved to Sent Items folder, as expected, but instead gets stuck in Outbox folder. This might happen with each email that you send.

Cause

Some typical reasons causing this issue are:

1.You open and close the email message when it is still in Outbox folder. Outlook attempts to deliver the message after establishing a proper connection with mail server. If you open and close before it actually has been sent, you change its status.
2.You are running Outlook in offline mode
3.You have installed an outdated or incompatibile add-in
4.You used an old account to reply a message. It particularly occurs when you have an old email and have changed the email accounts after receiving that email. By default, Outlook will try to send the reply using the same previous non-existing account and not the current account.
5.The Outlook Personal Folder or Personal Address Book file is damaged


Solution

You can use these solutions to fix the current issue:

1.To correct the changed mail status, you should open the email message and click on its toolbar to Send
2.Clear the Work Offline check box listed in File menu. Use Send/Receive option to send the email message
3.Use Add-In Manager to deactivate the add-in
4.Move the email message from Outbox to Inbox and send a new message to the recipient.
5.Repair the corrupted .pst file using Inbox Repair Tool for MS outlook. Locate the tool with name 'scanpst.exe' using Windows Serach option and browse to the affected .pst file. Start the repair process and restart Outlook. Try to duplicate the above behavior. If it is still an issue, you need a third-party PST repair tool. These software can work even when the Inbox Repair Tool (scanpst.exe) cannot do so.

Outlook PST Repair is an unmatched Outlook Inbox Repair utility to repair and restore corrupted Outlook PST file. It is a safe repair product that works in each instance of PST file corruption. This Inbox Repair Tool is compatible with Outlook 2010, 2007, 2003, 2002 and 2000. It can restore all file contents including emails, notes, journals, appointments, contacts and others. You can use it securely for cases of Inbox Repair Tool (Scanpst.exe) failure.

How to Use Inbox Repair Tool for MS Outlook ?

The Inbox Repair tool also named Scanpst.exe is designed to recover folders and items from a corrupted Personal Folders (.pst) file in Microsoft Outlook 2002, Outlook 2003, and Outlook 2007.. Depending upon your operating system the tool is automatically installed with all English-language Microsoft Outlook installation options.

Location of inbox Repair Tool:

For Microsoft Windows NT and Microsoft Windows 2000:
C:\Program Files\Common Files\System\Mapi\1033\NT
For Microsoft Windows 95 and Microsoft Windows 98:
C:\Program Files\Common Files\System\Mapi\1033\95

You don't need to install Inbox Repair Tool in Microsoft Outlook 2002 and Microsoft Office Outlook 2003 setup. Microsoft Office 2000 does not place the Inbox Repair tool on a menu as compared to
Microsoft Office 97 version.

Process to run Inbox Repair Tool:

1.Click Start, and then point to Find or to Search, depending upon your operating system.
2.Type scanpst.exe in the search for files or folders named box
3.Double click the Scanpst.exe file to open the Inbox Repair Tool.
4.Type the path and the file name of the personal folders (.pst) file or browse to locate the file by using the Windows file system.
5. Click Start.

How Inbox repair Tool Operate:

1. Directory structure and item headers of .pst file is analyzed to try to recover all folders and items.
2. Recovery of the Personal Folders (.pst) file means that the tool found problems, and repaired what it could.
3. The Inbox Repair Tool tries to turn any file into a Personal Folders (.pst) file. For example, if you rename an executable file to "Something.pst" (without quotation marks), the tool changes the file to a mountable .pst file.
4. Before trying to repair the file the tool makes a backup copy of the .pst file..

Validation and error correction process of Inbox Repair Tool:

The .pst file is a database file and the inbox repair toll validates and corrects errors in internal data structure such as B-Tree and reference counts. There is abstraction between low level objects and upper level structures which includes messages, calendar items, and so on. During Validation an item associated with a block will be removed which is either unreadable or corrupted. Folder and Messages reflects visible changes at higher level.


Limitations of Inbox Repair Tool:

• Inbox Repair Tool mainly works to repair the file in case of file header corruption due to version upgrade like situations. The tool repairs the header of PST file and then remove everything in the file which it did not understand in case if the contents of file are damaged.
• Check the size of pst file in earlier versions of outlook to avoid hindrance to repair process. Inbox Repair Tool might not work properly if the size of the pst file exceeded its 2GB size limt in case of Microsoft Outlook 2002 or earlier versions.
• Backup is very necessary before you proceed for any repair process to recover additional information and missing items. If you can not open the original PST file before you run the Inbox Repair Tool, you can not backup the PST file and you may lose your critical data.

To handle such cases, you need PST recovery software!

Outlook PST Repair software is an effective Inbox Repair Tool to scan, repair, and restore corrupted PSTs (Personal Storage Files). Designed for Microsoft Outlook 2007, 2003, 2002 (XP) and 2000, the inbox repair tool can recover all PST components including e-mails, notes, contacts, calendar entries, journals and more.

Inbox Repair Tool Fails to Fix 'An error has occurred which caused...'

Most of the corruption issues encountered in Microsoft Outlook PST files occur due to power failure, not closing the application properly or Outlook errors. The built-in utility, scanpst.exe, is competent to fix minor corruptions with the file. However, most of the PST file corruption problems cannot be resolved by this Inbox Repair Tool. To solve them, you must use a third-party product that could scan the corrupted file efficiently and restore it at a safe location.

To exemplify, consider a situation when you to try start Outlook or open the .pst file, but it reports corruption errors. To repair the file, you run scanpst.exe tool, but it too fails. You encounter an error message, which is similar to below:

“An error has occurred which caused the scan to be stopped. No changes have been made to the scanned file.”

Cause

Two possible reasons for this error to occur are:

1.You are using a Outlook 97-2002 PST file. Scanpst cannot work for the file that is bigger than 2 GB in size.
2.PST is severely damaged and cannot be repaired using Inbox Repair Tool.

Solution

You should consider these suggestions to repair such a damaged PST file:

1. An oversized and corrupted PST file should be first truncated using 2 GB Truncation (Pst2gb.exe) utility. Thus, you can download the tool and use it to crop the file under 2 GB. You can then try to repair the corrupted file by running scanpst.

2. If you are using a Outlook 2003 or 2007 PST file or 2 GB file size limitation is not the issue, you should opt for better solutions of PST recovery. (However, if a valid backup is available, you should delete the damaged PST file and restore from it). There are several third-party solutions available that can repair the damaged PST file.

PST fix tools come with interactive design and advanced scanning algorithms to examine the corrupted PST file efficiently. The tools can work even if Inbox Repair Tool fails to do so. Such software provide you advanced file repair options that prove safe too.

Outlook PST Repair is a fully-featured Inbox Repair Tool with powerful features to repair damaged or corrupted PST file. It is a safe tool with support to Outlook 2010, 2007, 2003, 2002 and 2000. The software is easy-to-use with self-descriptive interface and can repair while Inbox Repair Tool failure. It recovers and restores all PST file objects at a safe location.