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Resolve Exchange 2010 Error “Unable to Mount Database”?

Updated On - August 23, 2022 by Henry Bray |

Reading Time: 4 minutes

Activity log files are use to document every update to the Exchange Server Database. These log files are essential for the operation of Microsoft Exchange Server. However, if the log file is accidentally delete, it can cause many problems.

In Exchange Server 2019, 2016, 2013, 2010 and 2007, for example, the mailbox database could not be mount. This error code is “unable to mount database” (hr = 0.80004005, ec= 1108). Users often encounter this issue when trying to mount the database later.

Unable to Mount Database

This article will explain the causes and solutions for the “Unable To Mount Database” error in Exchange Server 2010.

Log Files: What is it?

Exchange Server 2010 provides useful tools for preventing data destruction, including checkpoint documents and activity logs. The transaction log records all database modifications, while checkpoint files document the transactions that were made to the on-disk databases.

Related Post: How to Convert EDB to PST file manually

Exchange Server 2010 has its own collection of transaction logs. Before being submitted to the database table, the entries are actually recorded in activity logs.

The restoration technique can be used to restore data to databases if the database disk has been destroyed but not the transaction logs. The Exchange Store can read transaction log files and performs the most recent database activities.

After deleting the transaction log files from your hard drive, you can retrieve them. The operation may fail if the device fails to complete two transactions that are recorded in the logs. The transaction log restoration may fail in such cases.

What causes the “Unable to Mount Database” error in Exchange 2016, 2013, 2010, 2007 ?

This Exchange problem could be caused by many factors, as we will explain below.

  • This error can be caused by a program being shut down incorrectly or inadvertently.
  • Error can also be generated if log files are deleted before they are written into the database.
  • Microsoft Exchange Server 2016, 2013, 2010, 2007 Database corruption

Solutions to Resolve the Unable to Mount Database Error in Exchange 2016, 2013, 2010, 2007

If you’re looking for a solution to the Exchange 2010 failed to mount problem, there is no reason to worry. This section focuses on the best and easiest solutions to this problem.

Analyze and fix the Exchange Log File

If there are no problems with Exchange EDB files, users should inspect the Exchange Log file. When inspecting the Exchange Log File, make sure to specify E00 as the logs’ beginning series. Also, run the following code: ESEutil /ml This command helps the user to fix the Exchange Log Files.

Resolve Exchange Server error

The above code will display all logs and their state when you run it. A user might encounter an error. If the log files are not corrupt, you can use another method.

Inspect and modify the Exchange database

The Exchange database must be checked first if the problem is caused by damage. Next, you must shut it down. As a result, in order to fix the data, run the following code: eseultil /p. This command will aid in the repair of corrupt Exchange EDB file located at:

“C:\Program Files\Microsoft\Exchange Server\V14\Mailbox\Mailbox Database\Mailbox Database10.edb”

Unable to Mount Database

After that, run the database again, and now there is a possibility that the error can be fixed.

Execute the setup or prepare the AD command.

Exchange Server Errors

Use the Setup/Prepare AD command on the Exchange Server CD to configure Active Directory services for MS Exchange 2010. This script will automatically restore and retrieve MS Exchange Configuration settings from the AD. Follow the steps below to achieve the exact same result.

  • Start the Exchange 2010 Help.
  • Next, visit the Contents section. Next, click on Deployment and New Installation. Finally, click on Getting Ready for Deployment Exchange 2010.
  • Next, choose How to Start Preparing Active Directory Domains.

Keep your eyes open by backing up data with third-party software

A professional tool can be use to help you unmount your database if you fail to do so manually. This article will cover the functionality of Regain Exchange Server Backup software.

If you want to be able to use the internet in a relaxed manner, having a backup is a must. Regain Exchange Server backup is a reliable program that will effortlessly back up all Exchange Server files, without security breaches.

These are the five steps to configure Exchange Server backup.

  • Launch the “Regain Exchange Server Backup” program.
  • Enter your login information for “Exchange Server”.
  • Choose the “Connect to server” option.
  • You can choose to backup your mailboxes by selecting “All Mailboxes” and “Selected Mailboxes”.
  • To save your Exchange Inbox, choose a “Destination”, location, and a file format.

It will automatically back up your Exchange mailbox data after you have installed and set it up. It also offers many other useful features, such as an intuitive interface, the ability to backup in multiple formats and more.

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Author: Henry Bray

Henry Bray is a young technologist and content a Content Writer at Regain Software, loves to write about MS Outlook, MS Exchange Server, Office 365, Mozilla Thunderbird and many more email applications.

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