What Are the Port Numbers Used Between vCenter Server and VMware vSphere Web Client?

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Heather Bennett

When working with vCenter Server and VMware vSphere Web Client, it’s important to understand the port numbers used for communication between these two components. By understanding these port numbers, you can troubleshoot connectivity issues and ensure smooth operation of your vSphere environment.

Default Port Numbers

The default port numbers used between vCenter Server and VMware vSphere Web Client are as follows:

  • Port 443: This is the default port for secure communication using HTTPS. It is the primary port used by the vSphere Web Client to connect to vCenter Server.
  • Port 80: This is the default port for unsecured communication using HTTP. However, it is recommended to use HTTPS (port 443) for secure communication instead.

Changing Port Numbers

In some cases, you may need to change the default port numbers used by vCenter Server and VMware vSphere Web Client. This can be done for security reasons or to avoid conflicts with other applications running on the same server.

To change the port numbers, follow these steps:

  1. Changing Port Number for vCenter Server:
    • Login to the vSphere Web Client as a user with administrative privileges.
    • Navigate to the “Administration” section.
    • Select “System Configuration” and click on “Services”.
    • Click on “vCenter Server” in the list of services.
    • In the “Properties” tab, modify the value in the “Webserver HTTP Port” field if you want to change the HTTP port number (default: 80).
    • Modify the value in the “Webserver HTTPS Port” field if you want to change the HTTPS port number (default: 443).
    • Click “OK” to save the changes.
  2. Changing Port Number for VMware vSphere Web Client:
    • Login to the vCenter Server using vSphere Client as a user with administrative privileges.
    • Navigate to “Administration” > “Deployment Configuration”.
    • Select the VMware vSphere Web Client service from the list.
    • In the “Properties” tab, modify the value in the “HTTP Port” field if you want to change the HTTP port number (default: 80).
    • Modify the value in the “HTTPS Port” field if you want to change the HTTPS port number (default: 443).

    Conclusion

    In conclusion, understanding and configuring the correct port numbers between vCenter Server and VMware vSphere Web Client is crucial for proper communication and management of your vSphere environment. By default, these components use ports 443 and 80 for secure and unsecured communication respectively.

    However, it is recommended to use HTTPS for secure communication. If needed, you can change these port numbers through respective settings in vCenter Server and VMware vSphere Web Client.

    Ensure that you properly configure firewall rules and network settings to allow traffic on these ports for seamless connectivity between vCenter Server and VMware vSphere Web Client. With this knowledge, you can troubleshoot any connectivity issues that may arise and ensure efficient management of your virtualized environment.

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