Know how to Solve Exchange Sever Error’ -338 (JET_errBadParentPageLink, Database corrupted)

Microsoft Exchange Server is a transaction-based and fault-tolerant system and thus, has much better protection against data loss as compare to other messaging applications. Despite of the fact, Exchange Server databases still get corrupt. The common reasons of corruption are abnormal system or power failure, database oversize issues (16 GB), antivirus scanning, virus attack, and application bugs. Such instances can affect any of the Information Store databases, which are Priv.edb and Pub.edb. As an administrator, your primary concern is to restore the data, which is applicable using the last backup or by repairing the database. There are several Exchange Server Repair software available that may work against if the Exchange repair utilities fail and/or backup is not available.

As one of the instances, suppose you experience an unexpected power outage with your Exchange Server computer. After this, when you start the database, you get some events (such as event 467, 9297 etc.) logging in the Application log. When you run eseutil commands to check the database integrity, it gives an error as below:
“Operation terminated with error -338 (JET_errBadParentPageLink, Database corrupted)…”
If you execute isinteg command, this may result no errors.
Cause
The error -338 occurs due to corruption in parent database and is returned by directory manager. It can occur because of unexpected power failure.
Solution
You can solve the above issue by applying these measures:

1. Check the last online backup. If available and valid, restore from it.
2. You can create a new mailbox store and move all possible mailboxes to it
3. If the above solutions don’t work, you can use esesuitl /r (soft recovery) and/or eseutil /p (hard recovery) commands to repair the corrupted database. The latter option can cause data loss as it deletes the corrupted pages. So, it is suggested to backup your database before applying it.

In case, none of these resolutions proves valid, you need a third-party EDB Repair utility. These software offer safe EDB Repair in each case of database corruption and have high competency to maintain the original database integrity. Moreover, these utilities are quite easy to install and use with self-explaining documentation.

Stellar Exchange Server Recovery is a reliable and advanced utility that repairs damaged or corrupted Exchange database. The high-end EDB Repair Tool supports Exchange Server 5.5, 2000, and 2003. The software implements powerful scanning mechanism and restores all the mailboxes in individual *.pst files. The tool is compatible with Windows 7, Vista, XP, 2003, and 2000.

How to recover corrupted EDB files in MS Exchange Server

The Exchange Information Store is a very important component of MS Exchange Server as it contains both mailbox store and public folder store data. All the data of the information store is contained in the EDB files. This means that it is all the more important to know its components, so that in the event of data loss, you know what to do and which kind of exchange recovery to implement. There are certain in-built methods that you can use to perform EDB repair. If these methods are not able to repair EDB file, then you should use a third-party EDB repair software to do so.

The following symptoms indicate that the information store may be corrupted.

•     Unable to start the Microsoft Exchange Information Store service.
•     Unable to stop the Information Store service and other dependant services
•     The Information Store service does not respond while the CPU usage level shows 100 percent
•     E-mails cannot be retrieved or sent by the client.

    Error messages like “unable to mount the Mailbox store….” (When an attempt is made to mount the mailbox), or “Internal processing error….” (When an attempt is made to mount the database) are displayed.

To resolve this situation, there are following methods that you can use:

    Restore from backup: You should try to restore the database with its online backup. However, you must ensure that the backup is clean and updated before this corruption occurred.

    Run ESEUTIL utility: If you the backup is not clean or not updated, then you should use the ESEUTIL tool. It is able to verify the structure of database tables and perform offline defragmentation on the EDB database.

    Run ISINTEG utility: After performing the ESEUTIL utility, you should use the ISINTEG tool. It rebuilds the EDB information store after the restoration and fixes the errors, it finds, in the information store.

When the backup is not updated or any of the it aforementioned methods fails to restore the desired information, you will need to use a third-party EDB repair software to repair EDB file. Such read-only tools are able to repair EDB files using fast yet sophisticated scanning algorithms.

Stellar Phoenix Exchange Recovery is an EDB file repair software helpful to recover all the corrupted .edb files. The software supports Microsoft Exchange Server 2007, 2003, 2000, and 5.5. This EDB to PST is able to extract the mailboxes into separate PST files according to the specific user.

Steps to Recover Exchange mailbox using Stellar Phoenix Mailbox Exchange recovery

In order to recover Exchange mailboxes from MS Exchange Server 2010, 2007, 2003, 2000, and 5.5, Just perform merely three steps.

1) you need to select damage or corrupted Exchange database file (EDB).
2) Select the version of Exchange Server and click on scan option.
3) Stellar Phoenix Exchange Mailbox Recovery Software then starts scanning the EDB file and list the items in a tree like structure. From where you can save the user mailboxes at a desired location.

This Exchange Mailbox Recovery tool recovers deleted users mailbox effectively. The software is known for its best & advanced scanning and recovering capability. Stellar's EDB Recovery tool saves the recovered edb file into .pst file format which can be easily access by outlook.

Try free demo version to preview the recoverable data in MS Exchange Server!

How to solve Error 939586631 in MS Exchange Server ?

Exchange Storage Group any corruption to the EDB file leads to data inaccessibility and creates unavoidable situations of using a backup. If it is not possible to restore from backup, you need to repair the corrupted database using Exchange inbuilt eseutil repair utility or a third-party Exchange Repair tool.

Cause Of the Error:

The Error - 939586631 particularly results when you run Eseutil /CC command using the incorrect file path pointing to Restore.env file.

Note: Eseutil /CC is the restore mode command, which is applied to run hard recovery on a database that has been restored from an online backup. Exchange Server creates Restore.env file while restoring from backup to control the hard recovery process.

Steps to solve the Exchange Error:

   1. Run Eseutil /CC command using the correct file path of Restore.env file.
   2. Check the database consistency. If it is inconsistent, you can use Eseutil /P and then Eseutil /D command for recovering the database.

Eseutil /P is the hard command that deletes the corrupted data, instead of repairing it. So, after using the command, you may find the database with lost pages and deleted information. For this reason, whenever you find your Exchange database in corrupt state, it is recommended to use a safe third party's EDB Repair Tool.

This Exchange EDB Repair application allows you to extract the contained user mailboxes and restore them at a safe location from a corrupted Exchange database. The tools are easy to install and require no prior technical skills to operate them. In any case of logical database corruption, these tools are superb.

Stellar Phoenix Mailbox Exchange Recovery is an advanced MS Exchange Repair software that repairs and restores corrupted Exchange databases. The Exchange Repair Tool extracts all user mailboxes in individual .pst files without modifying its contents and supports Exchange Server 5.5, 2000, 2003 and 2007.

Download the Most trusted free demo version of Exchange Repair Software for MS Exchange Server 5.5, 2000, 2003, 2007 and 2010 !

Troubleshooting the situation when the EDB file gets beyond 16 GB size in MS Exchange Server SP1

If you are using MS Exchange Server 2003 Service Pack 1 in your organization, then you should be mindful about its size and keep archiving the data. Because if you fail to do so, then the EDB (Exchange Database) file may soon cross its 16 GB limit, thereby making it unmountable and, also, corrupt. The Messaging Database (MDB) automatically stops functioning, and becomes unable to mount, when the mailbox reaches this 16 GB limit. But you need not worry as there are several methods that you can perform for Exchange recovery. But when these do not work, then you should surely use a third-party Exchange recovery software.

Consider a scenario in which you are unable to mount MS Exchange Server SP 1. When you check the event log, the following event IDs are logged in it:

“Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 1112
Description: The database "Mailbox Store (Server Name)" has reached the maximum allowed size. Attempting to unmount the database.
Event Type: Warning
Event Source: ESE
Event Category: Space Management
Event ID: 445
Description: Information Store (3160) The database D:\Program Files\Exchsrvr\MDBDATA\priv1.edb has reached its maximum size of 16383 MB. If the database cannot be restarted, an offline defragmentation may be performed to reduce its size.”

Cause:

The most probable cause of this issue is that the size of the mailbox has increased 16 GB.

Resolution:

To resolve this issue, there are following methods that you can use to perform Exchange Server recovery and get the Exchange Server back on track:

You should try to upgrade to MS Exchange Server 2003 Service Pack 2 by downloading and installing the Service Pack 2. Restart the system after installing it.

If you are the system administrator in your organization, then you can employ the following steps:

 i.Increase the size limit of the database by 1 GB although temporarily.
 ii.Remove the content that you do not need or take a backup of such items.
 iii.Then, defragment the database to compact it to such an extent that it is under the specified limits of the database size.

You can use the Recovery Storage Group feature to mount the database in the recovery storage group. After that, use the Exmerge.exe tool to retrieve the inaccessible user mailboxes from the database.

If you are still unable to mount the system, then you ought to take desperate measures to recover the Exchange Server. For such cases, a third-party Microsoft Exchange recovery software proves to be the most handy resolution. Such Exchange recovery tools are so efficient and reliable that the databases remain untouched during the Exchange Server recovery.

The most trusted and recommended tool in this respect is Stellar Phoenix Exchange Server Recovery that extracts user mailboxes in the form of separate PST files from damaged EDB files. Compatible with Windows 7, Vista, Server 2003, XP, and 2000, this Exchange recovery software works on EDB files created for MS Exchange Server 5.5, 2000, 2003, and 2007.

For more visit at: http://www.ms-exchange-server-recovery.com/

How to tackle IIS metabase corruption while performing an in-place upgrade of Exchange 2000 server

Microsoft Exchange Server is a reliable messaging platform which enables an organization to simplify its administration, help protect its communications, and delight its users by providing greater mobility. The Exchange Server highly depends on Microsoft Internet Information Services (IIS) to connect over the Web. Thus, IIS must be running properly to keep e-mail communication flowing. At times, when you upgrade from an older version of Microsoft Exchange server to a newer version, you might experience IIS metabase corruption which doesn't let Exchange setup program to get completed. This situation can also be encountered if you have corrupt EDB files. In such situations, it becomes essential for you to implement appropriate Exchange Server recovery strategies.

Consider a scenario, wherein, you perform an in-place upgrade of Microsoft Exchange 2000 Server to Microsoft Exchange Server 2003, and the upgrade fails. Additionally, the following error messages are logged in the Exchange Server Setup Progress.log file:

"[15:52:34] - The Internet Information Server metabase appears to be corrupt. Please uninstall and reinstall Internet Information Server. -- ID:62145 --
[15:52:34] Prerequisites for Microsoft Exchange Messaging and Collaboration Services failed: The component "Microsoft Exchange Messaging and Collaboration Services" cannot be assigned the action "Upgrade" because:
- The Internet Information Server metabase appears to be corrupt. Please uninstall and reinstall Internet Information Server. "

The Exchange Server Setup Progress.log file is typically located in the root folder of the partition where your OS is installed

Cause

The above error message occurs if the Microsoft Internet Information Services (IIS) metabase has become corrupt or if metabase entries are missing. Another possible reason could be corrupt EDB database files.

Resolution

To resolve the issues, you must consider the following steps:

* Use Adsutil.vbs utility by running the following commands:
    cd \inetpub\adminscripts
    cscript adsutil.vbs enum_all
    If you receive the following error message, you must reinstall IIS and Exchange 2000 server
    -2147221020 (0x800401e4)
    Error trying to enum the object (GetObject failed)
* In order to address EDB corruption issues, you must consider using third-party Exchange recovery software.

Such tools are designed to perform thorough scan of corrupt EDB files and extract data from them. You can perform Exchange Server recovery on your own as they come equipped with a simple and graphical user interface.

Stellar Phoenix Mailbox Exchange Recovery is a powerful and reliable application which repairs corrupt .edb files and restores the mailboxes as individual PSTs. Compatible with Exchange Server 5.5, 2000, 2003, and 2007, this Exchange recovery tool recovers all e-mail messages, notes, journals, tasks, contacts and other components.

for more info go here: http://www.ms-exchange-server-recovery.com/

Exchange Recovery Tool - Microsoft Exchange Server Recovery

Exchange Recovery Software

Stellar Phoenix Mailbox Exchange Recovery software is exchange database recovery tool which recovers all edb objects with inaccessible and deleted emails. The EDB recovery software uses advanced scanning algorithms and efficiently converts edb files to pst files that can be easily used with MS outlook.

EDB known as Exchange Database files used by MS Exchange Server to save all emails, attachments, images, contacts, calenders and task. These EDB files gets corrupt due to any of the following reasons:

- Jet errors
- Whole of your EDB file is damaged
- Hard Drive Crash physically
- EDB reaches its maximum limit
- Computer improper shutdown / Dirty shutdown
- Exchange server fails
- Virus attack
- Users Errors
- There are corrupted objects in the database


Some of the most common Exchange database errors due to which the edb file get corrupted and damaged:

• Unable to initialize DAO/Jet db engine
• Exchange Server Error 550
• JET_errInvalidDatabaseId -1010
• Corrupted header information
• Unable to initialize the Microsoft Exchange Information Store service.
• Deleted user mail boxes
• "JET_errRecordNotFound, the key was not found" ,
• "Jet_errRecordDeleted".
• JET_errFileInvalidType -1812
• Improper Exchange Server shutdowns
• JET_errDatabaseStreamingFileMismatch -540
• Duplicate Keys (Identifiers)
• Exchange Dirty Shutdown Errors
• JET_errBadDbSignature -531
• Error -528 initializing the Microsoft Exchange Server Information Store database.
• JET_errDatabaseDirtyShutdown -550
• Exchange Server Error Code 528
• JET_errInvalidDatabase -1028
• JET_errFileInvalidType -1812
• JET_errConsitentTimeMismatch -551
• JET_errDatabaseCorruptedNoRepair -1224
• All types of Jet Engine Errors
• 614. All future database updates will be rejected. Information Store (3420) Unable to rollback operation #65678740 on database C:\EXCHSRVR\mdbdata\priv1.edb.

This Exchange Rcovery Tool scans,repairs & restores the corrupted edb files and extracts all user's mail boxes from the exchange Server 5.5, 2000, 2003, 2007. Through this edb recovery software, all the recovered items can be saved at the user defined hard drive location.