Tuesday, April 17, 2018

F5 BIGIP VE and ESX 6.5, Invalid configuration for device '0' or Failed to connect virtual device 'Ethernet0'

I was receiving "Failed to connect virtual device 'Ethernet0'" and "Invalid configuration for device '0' "error after moved F5 BIGIP VE 13.0.x.x to ESX 6.5 with vcenter 6.5 with distributed switches, and upgraded HW compatibility to version 13.
I searched google and could not find why it was happening.
After I found that the highest VM HW version it support is 10. (https://support.f5.com/csp/article/K69120675)
When you update VM's HW to a higher version, it works with VMware tools to fix any complication,
F5 does not support VMtools to be updated on F5 BIGIP VE. (https://support.f5.com/csp/article/K11744866)

Long story short, here is how I fixed the problem.
1. Turnoff the VM.
2. Download VMX files of the VM to your PC.
3. Go to Edit window the VM, take a screen shot of the nic's setting especially networks they are connected to.
3. Remove all virtual NICs from the VM, and save.
4. Go back to the Edit window again and add NICs, assign correct network. On NIC settings, manually set the MAC address, get the original MAC address from the VMX file you downloaded from the step 2.
5. Turn on the VM.

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