MS SQL Installation error - The mof compiler could not connect with the wmi server

Question

I tried to reinstall MS SQL 2022 server but I am facing the below error.

title: microsoft sql server 2022 setup ------------------------------ the following error has occurred: the mof compiler could not connect with the wmi server. this is either because of a semantic error such as an incompatibility with the existing wmi repository or an actual error such as the failure of the wmi server to start. for help, click: https://go.microsoft.com/fwlink?linkid=2209051&prodname=microsoft%20sql%20server&evtsrc=setup.rll&evtid=50000&prodver=16.0.1000.6&evttype=0xa60e3551%25400xd3bebd98%25401211%25401 ------------------------------ buttons: ok ------------------------------

I have tried multiple times without success. Log file showd error number 1639. I tried below solutions :

Deleted the registry entries,

Deleted previous installation files and folders,

Downloaded new setup file to make sure the media is not corrupt

Changed the installation directory and made sure that the directory does not have spaces

Restarted the workstation every time before installation

Restarted WMI Service every time

Answer 1

1. Firstly, you have to Verify WMI Service Status

Ensure that the WMI service is running correctly:

1. Open Services (services.msc).
2. Locate Windows Management Instrumentation.
3. Ensure the service is running. If not, start it.
4. Rebuild the WMI Repository

Rebuilding the WMI repository can resolve corruption issues:

1. Open Command Prompt as an administrator.
2. Run the following commands:
3. (sorry for this blur image but i have taken a screen shot) This will reset the WMI repository.
4. Check for Command Line Argument Issues

Ensure there are no invalid command line arguments:

1. Review the installation command or script for any syntax errors.
2. Ensure there are no extra spaces or invalid characters in the installation path .
3. Clean Up Previous Installations

Make sure all remnants of previous installations are removed:

1. Delete any leftover SQL Server files and folders.
2. Clean up registry entries related to SQL Server.
3. Use a Fresh Installation Media

Download a new setup file to ensure the media is not corrupt:

1. Visit the official Microsoft SQL Server download page.
2. Download the latest version of SQL Server 2022.
3. Change Installation Directory

Ensure the installation directory does not contain spaces or special characters:

1. Choose a simple directory path, e.g., C:\SQLServer2022.
2. Restart Workstation and Services

Restart your workstation and the WMI service before attempting the installation again.

8. Review Installation Logs

Check the detailed installation logs for more specific errors:

1. Navigate to the log files (usually located in C:\Program Files\Microsoft SQL Server\160\Setup Bootstrap\Log).
2. Look for specific error messages that might provide more insight.

If these steps don't resolve the issue, you might need to consider performing a repair install of Windows or consult Microsoft support for more advanced troubleshooting

.