How to Change MongoDB Compass Connection Port

Change MongoDB Compass Port

Method 1: Changing Port Using Command Line

1. Set Environment Variables
   • Click on "Edit the system environment variables" from the Start menu.
   • Click on "Environment Variables".
   • Click "New" to add a new system variable.
   • Set Variable name to MONGO_PORT and Variable value to your desired port number, e.g., 27018.
   • Click "OK" and close the window.
2. Change Port Using MongoDB Command
   • Type "cmd" in the Start menu and open Command Prompt.
   • Enter the following command to start MongoDB on the new port:
   • mongod --port %MONGO_PORT%
3. Test in MongoDB Compass
   • Open MongoDB Compass and try connecting with the new port number. If you encounter errors or cannot connect, proceed to the second method.

Method 2: Changing Port Using Config File

1. Edit Config File
   • Locate the mongod.cfg file in the directory where MongoDB is installed and open it with a text editor.
   • Find the net section in the file and adjust the port number as follows:

   • net:
       port: 27018

2. Restart Your Computer
   • Save the changes and close the config file.
   • To restart the MongoDB service, either restart your computer or use the following commands in Command Prompt:
   • net stop MongoDB
net start MongoDB
3. Test in MongoDB Compass
   • Open MongoDB Compass and try connecting with the new port number. You should now be able to establish a connection.