Error while installing the Windows Server Monitoring agent
If an error occurs while manually installing the Windows agent, please follow the steps given below:
Check Windows Installer in Windows Service Manager:
- Make sure the Windows Installer service is up and running.
- Go to Start > Control Panel > Administrative Tools
![](https://support.site24x7.com:443/ImageDisplay?downloadType=uploadedFile&fileName=autoupgrade+agent1.png&blockId=ff99121ae5644d8b0436eed54ca261e1cfb8d16aa162d0c3&zgId=4d65b98622a455f6&mode=view)
- Click on Services and scroll to Windows Installer. Double click on it and a new dialog box will open
![](/DocsDisplay?zgId=6017018&mode=inline&blockId=10kds18bd6ea7e7ca4c1d92bd813c221785e5)
- Check to see if the Startup Type is set to Manual.
- Service status is usually stopped. Try and start the Windows Installer server. Click Ok
![](https://support.site24x7.com:443/ImageDisplay?downloadType=uploadedFile&fileName=autoupgrade+agent4.png&blockId=ff99121ae5644d8b1f8335e4d30f7734750b0284bc703b38&zgId=4d65b98622a455f6&mode=view)
- Note and fix the error message if any
Re-registration of Windows Installer:
- Now, Go to Start and search for cmd. Right click and select, ‘Run as Administrator’
- In the command prompt, type:
msiexec.exe /unregister
msiexec.exe /regserver
After completion of the above steps, try to install the Windows agent again. If the problem persists, download and install the latest version of Windows Installer and try again.