lodctr: Updates Performance Monitor counter names and explain text for an extensible counter

The `lodctr` command in Windows is used to load performance counters and counters from the Windows Performance Registry. Here are some examples of using this command: Example 1: Reset all performance counters and counters:

lodctr /r

This command resets all performance counters and counters to default settings. This can be useful if you have problems with performance monitoring counters. Example 2: Load only the default performance counters and counters:

lodctr /s:*

Only the standard performance counters and counters are loaded here. This can help if certain indicators have previously been disabled. Example 3: Load performance counters and counters from a file:

lodctr /m:filename.ini

This command loads performance counters and counters from a specific INI file. You need to replace "Filename.ini" with the actual name of the INI file. Example 4: Update only a specific performance counter and counter:

lodctr /u:Service name

This command is used to update only a specific performance counter and counters. Replace “performance name” with the actual name of the indicator. Note: Using `lodctr` often requires administrative privileges. Make sure you're running Command Prompt as an administrator if necessary and that you have the appropriate access rights. It is also important to note that improper use of `lodctr` can lead to performance monitoring issues, so the command should be used with caution.

Microsoft Windows [Version 10.0.19045.3693]
(c) Copyright 1985-2023 Microsoft Corp.

C:\\WINDOWS>



LODCTR
    Updates Performance Monitor counter names and explain text for an extensible 
counter

Usage:
    LODCTR [\\computername] filename
        computername is the name of the remote computer.
            Local machine is used if computername is not specified.
        filename is the name of the initialization file that contains
            the counter name definitions and explain text for an extensible
            counter DLL.

    LODCTR /S:<FileName>
        save current perf registry strings and info to <FileName>

    LODCTR /R:<FileName>
        restore perf registry strings and info using <FileName>

Note: any arguments with spaces in the names must be enclosed within
Double Quotation marks.

Yes, there are some important considerations to keep in mind when using the `lodctr` command in the Windows Command Prompt: 1. Admin rights: Make sure you run Command Prompt as an administrator to have full access to the performance counters and counters.

Right click -> "Run as administrator"

2. Be careful when resetting all performance counters and counters: Resetting all performance counters and counters with `lodctr /r` will reset everything to default settings. Be careful as this may result in losing custom settings or configurations.

lodctr /r

3. INI file verification: If you use `lodctr` with an INI file, make sure the file is formatted correctly and contains the required information. Errors in the INI file can cause problems.

lodctr /m:filename.ini
 

4. Individual performance counter update: If you only want to update a specific performance counter, use the `/u:performance_name` parameter. Replace “performance name” with the actual name of the indicator.

lodctr /u:Service name

5. Check logging: Check the output of `lodctr` for possible errors or warnings. This can help troubleshoot performance monitoring issues.

lodctr

Note that improper use of `lodctr` can lead to performance monitoring issues, so the command should be used with caution and knowledge of configurations. It is also a good practice to create backup copies or document the current state before making changes to performance counters and counters.