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When an Exchange database gets corrupt, then there are two ways to get this database back to the normal state:
Both methodologies have their own set of pros and cons. Though restoring the database from Exchange backup is an easy and fast way to retrieve database components, it may not be successful when Exchange database backup is not up-to-date.
The next option is to repair Exchange 2013 or 2016 database via Eseutil or Isinteg. However, these utilities help fix the Exchange database in those cases where the level of corruption is minimal. Eseutil helps in recovering the content of the database with the help of soft or hard recovery, depending on the damage to the database.
Contents
However, in the event of Eseutil and Isinteg failure, you can use Stellar Repair for Exchange to recover and restore mailboxes from inaccessible, dismounted, damaged, or corrupt Exchange 2007, 2010, 2013, 2016, 2019 database. By using the software, you can avoid data loss that may occur due to hard recovery via Eseutil /p. Plus, the software lets you extract mailboxes from the Exchange database and save them in an importable PST file format. You may also import the extracted mailboxes directly to the Live Exchange server by using this Exchange recovery software.
You can check the amount of free space by searching your application log for Event ID 1221.
Alternately, use Get-MailboxDatabase to get the free space in the database:
Get-MailboxDatabase -Status | Sort-Object DatabaseSize -Descending | Format-Table Name, DatabaseSize, AvailableNewMailboxSpace
Check the amount of free space by searching your application log for Event ID 1221. Alternately, use Eseutil/MS for the current estimate.
CAUTION: Eseutil is a repair tool and not intended for maintenance tasks. Thus, you should avoid running it unless you are forced to run ESEUtil /P in the absence of backups or server crashes.
Exchange Database Repair via Eseutil is used to fix the following errors:
Apart from these errors, the Exchange database may get corrupt due to several other reasons, such as improper system shutdown, program malfunction, virus attack, software/hardware failure, and Jet Engine failure.
Eseutil and New-MailboxRepairRequest commands can scan, repair, and defrags a low level of corruption in the Exchange database. So the commands should be performed at the time when:
Repairing Exchange Database via Eseutil and Isinteg involves the given processes:
Eseutil – Syntax and Commands
When the Exchange database is not restored from backup and you cannot roll Transaction Logs forward, try repairing the Exchange database by using Eseutil /p command.
Eseutil is located in the \exchsrvr\bin directory created when you install Exchange Server.
This command resolves corruption in Exchange database files by deleting the irreparable database file pages. Use the following syntax to repair Exchange Database (EDB):
eseutil /p <DBFileName.edb>
Eseutil/p command can fix the individual database tables, but this Exchange utility cannot establish links between them.
Warning: The above command performs the hard recovery on the database. The hard recovery process may result in data loss.
Defragmentation with New-MailboxRepairRequest
Defragmentation reduces the size of the database by eliminating the white spaces available in the Exchange database. To perform this process, run the below command by using the PowerShell Management Shell. This process will take a considerable amount of time, depending on the size of the database and the performance of the disks.
New-MailboxRepairRequest -Mailbox <MailboxIdParameter> [-Archive <SwitchParameter>] <COMMON PARAMETERS>
Verify corruption in the database with Eseutil /mh command
To check if the recovery process is successful or not after Eseutil soft or hard recovery, use the eseutil /mh parameter. If it is successful, the database state will show Clean Shutdown.
For any activity, it is necessary to verify that the Exchange 2013/2016 database repair via Eseutil has resulted in resolving the error.
Though almost all Exchange administrators are aware of Eseutil and New-MailboxRepairRequest commands, they are also mindful of the limitations of these commands. There could be instances where the Exchange utilities fail to work, especially in repairing severely corrupt Exchange database. Some common Eseutil failure errors that you may encounter while recovering Exchange 2013 or 2016 database can lead to excessive downtimes. Some of these errors are as follow,
It is suggested that Microsoft Exchange should not be exposed to massive downtimes, else it may result in disruption of business communication. To prevent such disruptions, MVPs and experts recommend a competitive Exchange database recovery software such as Stellar Repair for Exchange. The software can repair even severely corrupt Exchange database files, irrespective of the Exchange versions. The software supports Microsoft Exchange server 2016, 2013, and all other Exchange versions.
Conclusion
The Exchange is the lifeline of business communication. Therefore, it has to be up and running 24*7. Despite this fact, Exchange administrators have to face situations where Exchange goes offline. At such times, the most feasible option is to analyze the cause behind such an issue and resolve it at the earliest. If it is due to severe Exchange database corruption, then trying Eseutil and New-MailboxRepairRequest command to repair Exchange database 2007/ 2010/ 2013/2016/ 2019 may not be practicable. Instead, use Stellar Repair for Exchange to repair severely corrupt database files. The software supports Exchange Server 2019, 2016, 2013, and lower versions.
Eric Simson is an Email Platform Consultant and is associated with Stellar Data Recovery from last 6 years. He writes about the latest technology tips and provides custom solutions related to MS Outlook, MS Exchange Server, Office 365, and many other Email Clients & Servers.
In Exchange 2013, I have used commands which are mentioned in above blog post but can’t repair database. Kindly suggest any other commands.
You can try New-MailboxRepairRequest commands. These commands are the successor of Exchange Isinteg utility. Sometimes the manual method does not provide accurate results thus, the user can go for a reliable and secure automated solution.
After using Eseutil/p, Eseutil/d & Isinteg commands to repair exchange database facing same issue again. Suggest any other full proof method.
You can opt for MVP’s suggested tool “Stellar Repair for Exchange”. This is a full proof method which provides the guaranteed solution.
While using Eseutil/p command to repair damaged Exchange database file, I can’t find .STM files in the directory.
How to repair the damaged Exchange database file even when the .STM file is missing?
Try automated tool to overcome from this scenario. Install free demo version of Stellar Repair for Exchange and repair damaged Exchange database file.
What is the best way of repairing priv1.edb file & pub1.edb file?
Repair priv1.edb & pub1.edb file by using professional tool Stellar Repair for Exchange Software.
Follow this procedure: https://www.stellarinfo.com/article/repair-exchange-public-edb-file.php
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While using Isinteg command for repair Exchange 2016 database. I have faced problem, Isinteg fails to bring the error count to Nil.
Is there any error free solution?
Yes!
Try Stellar Repair for Exchange and share your feedback with us.
Eseutil or Isinteg is not compatible for latest Exchnage Server versiosn. I will go for trial of Stellar Repair for Exchange Tool.