Enable Management Network: Error Network Interface Failed

Asked By 30 points N/A Posted on -

Hello TechyV buddies!

I am having some problem with our ESXi 4.1.0 hosts. The management network is not enabled.

If I try to enable the management network an error occurs.

The error message is this: "Operation on the management network interface failed"

Although the management network is disabled I can still do a ssh connection via management network interface IP address. This is because there is no connection via vsphere client o the vcenter.

How can I configure this problem?

Can I restart the management network?

Is there any other way not to restart the host server?

Can anyone help me solve this issue?

I have tried to fix this problem by myself but I still can’t get it done.

I will be very thankful for any help rendered.

Thank you!

Answered By 10 points N/A #148523

Enable Management Network: Error Network Interface Failed


Hello Caspian,

To resolve the issue you are getting, try the following workaround:

  • Remove the entries for the vmnic5_NAS02 as well as vmnic6_NAS03 in /etc/vmware/esx.conf.
  • After that restart the management agent direct on the host console, and try restarting via the ssh connection using the following services: "./sbin/services.sh restart".
  • Check if the Management Network is enabled after that and then check if you to enable it still shows up with "Enable Management Network: Error", as well as the "Operation on the management network interface failed."
  • Next you will need to compare the esx.conf with an esx.conf file from another host and see if it is OK.

Other things that you should try are:

  • Restarting the management agents using the dcui.
  • Checking the log errors.



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