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Network doesn't work on Ubuntu

rated 0 times [ 1] [ 0] / answers: 1 / hits: 1775 / 2 Years ago, sat, august 13, 2022, 7:13:09

I've migrated physical Ubuntu to Hyper-V 2012 with Acronis Universal Restore. It worked fine for a while till i rebooted machine. After reboot the network does come up:

enter image description here

But any ping or anything doesn't work. There's no firewall. I removed other networks from /etc/udev/rules.d/70-persistent-net.rules because i tried adding multiple interfaces after reboot broken the network and it kept adding more addresses. The IP Address is from DHCP and when I was adding new LAN it was getting new addresses every time. So I removed all interfaces and after reboot eth0 showed up with old ip address again from DHCP. Still no network...

Kernel is 2.6.32-41.

Keep in mind it worked just prior reboot and that I have very little knowledge about Linux. I'm Windows guy.

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llianconclad

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2 Years ago

answered 2 Years ago terose · Accepted Answer

The answer is most unpredictable I've encountered. Changing back Hyper-V processors to 1 from 4 resolves the problem. Change it back to 2,4,6 or anything else makes the network stop working. Most likely due to no Integration Services installed yet. That I wouldn't expect...