A Brief Overview of Jet Error 501

Sometimes, while mounting the data in the Exchange database an error occurs in the server namely error 501 jet_errlogfilecorrupt. The main cause that leads to the generation of this error is corrupt log files. To resolve the error users have two ways: one is the manual approach and the other one is automated solution. In the article, we will be describing the main cause of Jet error 501 in Exchange, solutions to resolve the error by using built-in utility or expert solution. 

Why Does Unexpected Error 501 jet_errlogfilecorrupt Occur?

The main reason behind the error is corruption in the log files. Moreover, the error occurs as there is some data loss, corruption in the header section of log files, or infected log file. Due to jet error 501 in Exchange Server, users are restricted to load the data in the database. 

Check Whether the Log File is Corrupted or Not

Corruption in log files leads to Server error 501. Mentioned below are few points using which one can make sure that whether the log file is corrupted or not.

  • Run the command prompt window on display screen
  • Next, run Eseutil inbuilt utility by typing a command: eseutil /ml Enn
  • If operation terminates with error 501 JET_errLogFileCorrupt (log file is corrupt) message it means the log file is damaged.

2 Ways to Resolve the Jet Error 501 Easily

In the section mentioned, the users will get to know regarding how to resolve Server Error 501 using inbuilt utility and an automated solution.

Way1: Manual Method

One can resolve the error 501 in Exchange server from the backup of the damaged or corrupted log file. To fix this, one should remove the damaged or corrupted log file from the database of the Exchange server and then one can restore the server from the backup files. Once this process is complete, one needs to run eseutil.exe command to make the log file again. Mentioned below are few points through which one can restore the corrupted or damaged log file and fix the error 501 jet_errLogFileCorrupt easily.

1. Find replica of log files backup: The very first step one should follow is found the backup replica of damaged log files from the working condition of backup. If one is falling short of the corrupt backup log files, one can recover then one can easily recover it by using the inbuilt utility or any other 3rd party tool.

2. Corrupted log files Deleted: If a user has the backup replica of the corrupted log file, then he/she should discard the damaged log files from the database of the Exchange Server.

3. Recover Deleted log file: Once the corrupted log files are deleted from the Exchange server, the next step one should follow is to restore the deleted log file of Microsoft Exchange from backup files. Once this kind of files is recovered, a temporary file namely restore.env is generated all the times. The file thus generated removes the jet error 501 from the log files easily.

4. Run built-in utility i.e., Eseutil: The next step one should follow is to run the Eseutil command to make the log files time and again. The command one should follow to remake the log files is mentioned below:

Eseutil/cc path of the restore end

The command mentioned above will repair the corrupted or damaged log file. Moreover, it will also delete the temporary file i.e., restore.env.

Using these commands one can easily escape the error 501 JET_errLogFileCorruption.

Drawbacks of the Manual Method:

As the users know that a solution must have a flaw. Same occurs in the case of Exchange Server Error 501. Mentioned below are few problems that are encountered while resolving the Jet error 501.

  • The process is very much time consuming and lengthy
  • To recover a hard drive by Use utility is difficult task
  • It becomes very difficult to perform the task as it is complicated

Way 2: Automated Solution

As the above-mentioned method is very difficult to perform as it is very time consuming and lengthy process. So, one should try the Exchange Server log Analyzer tool to perform the task magnificently. The automated utility is so well designed that it can resolve the issue in a single shot. The tool can repair corrupt Exchange log file gracefully and there is no scope of Jet error 501 in it. 

Final Words

One of the major reasons behind Exchange Server error 501 is the corruption in log files. This makes it impossible for users to mount the data files into Microsoft Exchange database. Availability of the manual method to fix error 501 JET_errLogFileCorrupt may prove to be helpful for users up to some extent. However, to rectify it quickly, it is recommended to use a third party utility. One such tool available for this is Exchange Server Log Analyzer, as mentioned above. It makes the process of fixing the error less complicated and fast