Enable Accelerated Networking

When Azure planned reboots occurred we have seen performance degradation on several VMs . Here is the quick fix which doesn’t cost anything extra.

We need to enable Accelerated networking to overcome this problem . process is pretty simple

Note : This solution only works on VM that is not a member of availability set.

Steps to enable accelerated networking

  1. Deallocate VM
  2. Note NIC Name and resource group name where nic reside
  3. Assign new NIC to VM
  4. Deallocated old nic .
  5. Run below on cloudshell
az network nic update --name NICNAME --accelerated-networking true --resource-group RESOURCEGROUP


  1. Assign old nic back to the VM
  2. Deallocated new NIC and start VM