How to Encounter Exchange Server Error 501 JET_errLogFileCorrupt?

While the Exchange Server users try to mount the data into Exchange Database sometimes it becomes unable to mount the data due to the Exchange Server Error 501. This error mainly occurs because of the corrupt log files and it generates the error message “error 501 JET_errLogFileCorrupt”. There are two approaches available to solve error 501. One is a manual method and the other is an automated solution i.e. EDB to PST Converter. In this blog, I am going to mention the cause of the error 501 JET_errLogFileCorrupt and the solutions to fix unexpected exchange mailbox server error 501.

Causes Of The Exchange Server Error 501

Corruption in Exchange log files is the main reason behind the error 501 JET_errLogFileCorrupt. This error usually arises because of damaged, lost log files, or corruption in the header of log files. Due to exchange server error 501, it becomes unable to mount the data into the Exchange database file.

How To Check Log file is Corrupted?

The corruption in the log file is the main reason behind Exchange Server error 501. Therefore, execute the below-mentioned steps to confirm that the log file is corrupted or not:

• Open command prompt window on your screen
• Afterward, run the Eseutil tool by typing the command: use eseutil/ml Enn
• If you encountered a message “operation terminates with the error 501 JET_errLogFileCorrupt, (log file is corrupt)”.
• It means the log file is damaged or corrupted.

Users Queries Related To Exchange Server Error 501

Query 1: While I am trying to mount the files into my Exchange database then I received an error message “error 501 JET_errLogFileCorrupt” on my computer screen. This error restricts me from mounting the data into the database. I don’t know anything about this error and I have no idea how I can resolve it. Is there any workaround that can help me to fix exchange error 501? Please help me and thanks in advance.”

Query 2: In the command prompt facility I run the Eseutil command use eseutil/ml Enn, then I encountered a message “operation terminates with the error 501 JET_errLogFileCorrupt, (log file is corrupt)”, which means the log file is corrupted. Now, I want to repair the corrupted or damaged logfile”. I have tried the solution was suggested but I failed to recover corrupted log files. Please share your view on solving my problem.

Methods To Solve The Error 501 JET_errLogFileCorrupt

In this section, we are going to discuss the manual and automated solutions to resolve error 501.

Manual Methods To Fix Exchange Server Error 501:

Yes, it is possible that you can resolve the error 501 from the backup of the damaged or corrupted log file manually.  To do so, you have to remove the corrupted or damaged logfile from the Exchange database and then restore it, from the backup. After that, you have to run an eseutil.exe program to regenerate the log file. Execute the below-explained steps to fix the error 501 JET_errLogFileCorrupt manually:

Find A Backup Copy Of Log File: Firstly, you have to find the backup copy of the damaged log files from the backup in the working condition. If you do not take the backup copy of the corrupted log files then you can recover the corrupt file using hard drive recovery by Use utility or by using any third-party utility.

Delete the Corrupted Log File: If you have a backup copy of corrupted log files than discard that damaged log files from the Exchange server database.

Restore Deleted Log File: Restore that deleted Exchange log files from the backup after removing the corrupted log files from the Exchange database. When you restore logfile from the backup then a temporary file restore.env is created, which stores all log files and helps you to vanish “error 501 JET_errLogFileCorrupt”.

Run Eseutil Command: Now, run the below-mentioned Eseutil command to regenerate log files:

Eseutil/cc” path of the restore.end”

The above-described command will repair the damaged or corrupted log file and will delete the temporary file ‘restore.env’.

These Manual workarounds will help you fix “error 501 JET_errLogFileCorrupt” easily.

Limitation Of Manual Method

There are some drawbacks associated with the manual workaround to fix Exchange server error 501. Some of them are listed below:

• The manual method is very complex and difficult to perform.
• It is time-consuming and lengthy.
• Hard drive recovery by Use utility is a tedious task to perform.

Conclusion

Exchange Server error 501 mainly occurs due to corrupted log files, which enable the users to mount the data into the Exchange database. Manually, the error 501 JET_errLogFileCorrupt can be solved by running the Eseutil command, and alternatively, it can be solved by using a third-party tool i.e. EDB to PST Converter.