How to Resolve Exchange 501 Jet_ErrLogFileCorrupt Error

As an Exchange admin of my organization, it is quite common for me to face challenges while working with an Exchange database. The ‘501 Jet Log File Corrupt’ error is one of them, which generally occurs when I try to mount or connect the database.

Missing or corrupted log files are the primary causes, as they create data inconsistencies in the Exchange database. The Exchange Server displays this error to avoid mounting repetitions and restricts users from accessing their data. But the question is, how do I tackle this error when it arises?

Whenever this situation arises, I use several methods that work for me. You can learn about them in detail by reading this blog carefully.

Causes of 501 Jet_ErrLogFileCorrupt error

Understanding the causes of error code 501 is the foremost step in resolving the error. Here is the list of primary reasons:

• The header of the log file is damage and unable to recognize
• Malware attack on log files.
• Hard drives are infected with bad sectors and damaged log files.
• Faults are observed in Server like technical or mechanical.
• The Exchange Server is not working properly.

Manual methods to fix Exchange server 501 Jet_ErrLogFileCorrupt error

We have tried and tested various manual methods, and only the given ones are able to fix ‘501 Log file Corrupted’ error. Go through them individually to find the most suitable method for yourself.

Method 1. Restore the backup copy of the database

It is a very simple way to resolve the Exchange server 501 error by restoring the previous backup and then mounting the database again. Restoration can be done by using backup and restore features of the Exchange server.

After restoration, mount the database files from the admin account of your Exchange server.

Method 2. Check log file is damaged or not

Before stating that you have damaged log files check whether the log files are actually damaged or not. For this, you’ve to open the PowerShell Command Line and then run the below command:

This command scans the folder to search for log files that begin with Enn. Change the name of the log file as per the name of your log file. If the log file is not found or mismatched, then it will display you an error as shown which indicates that you have lost or damaged log files.

Workaround error 501

Method 3. Perform soft and hard recovery

Before performing soft and hard recovery, you’ve to restore the last backup of log files and open a Command Prompt and follow below commands:

1. Click onStart, select Run, type cmd, and then OK
2. Now, find the location of the folder where restore.env is located.
3. Run these commands for the following recoveries:
4. Once all the commands are completed it will display a message “Operation Completed Successfully” and you log files are successfully repaired and free from jet error.

Drawbacks of Manual approach

Unfortunately, as the manual technique is free to use but it also has some other limitations like:

• The entire manual procedure is a lengthy process, so it consumes much time.
• If you do not know commands in PowerShell, then it is tough for you.
• Moreover, it does not ensure you about data security so may lose your data too.
• Sometimes, errors become so sensitive that it is really difficult to solve manually.

Try Professional Solution if Log Files are Missing!

All the above-mentioned methods will help you remove minor issues only when you have log files. Along with that, manual approaches involve PowerShell command lines which make it difficult for non-tech users. Hence, users look for better alternatives to resolve the error with minimal efforts.

So, choosing the automated tools like Recoveryfix for Exchange Server Recovery is the most suitable method in this scenario. The Exchange Server Recovery tool allows users to repair EDB files without any log files. Its user-friendly interface makes the restoration process quick and easy for novice users.

Final Words

We have highlighted all the best available methods to resolve ‘501 Jet_ErrLogFileCorrupt’ error. You can use manual solutions to fix this error from the Exchange Database. But, if you are unfamiliar with the PowerShell command lines, then opting for the recommended solution will be best for you.

It will help you resolve all the Exchange-related issues and maintain data security and integrity throughout the process. Also, the software is compatible with all the versions of Exchange Server.