https://communities.vmware.com/t5/VMware-Workstation-Pro/Host-networking-degraded-after-launching-a-virtual-machine/m-p/2824592#M168373 <P>I'm running into a really strange issue, if I do a fresh reboot of my Host computer my networking works great. As soon as I start a virtual machine however I get really poor netoworking performance on my Host until I reboot my Host computer.&nbsp;</P><P>Running wireshark I'm seeing a lot of `TCP Out-Of-Order` and `TCP Dup ACK` packets that only show up after launching a VM for that first time. This issue persists until I reboot, and happens whether I have and VMs running or not.&nbsp;</P><P>Any thoughts? Or ways to troubleshoot? I'm running:&nbsp;16.1.0 build-17198959</P><P>I have a few VMware network adaptors I have configured, one for each of the NIC's on my Host machine.&nbsp;</P> Thu, 21 Jan 2021 18:17:44 GMT MagicalBeard 2021-01-21T18:17:44Z https://communities.vmware.com/t5/VMware-Workstation-Pro/Host-networking-degraded-after-launching-a-virtual-machine/m-p/2824592#M168373 <P>I'm running into a really strange issue, if I do a fresh reboot of my Host computer my networking works great. As soon as I start a virtual machine however I get really poor netoworking performance on my Host until I reboot my Host computer.&nbsp;</P><P>Running wireshark I'm seeing a lot of `TCP Out-Of-Order` and `TCP Dup ACK` packets that only show up after launching a VM for that first time. This issue persists until I reboot, and happens whether I have and VMs running or not.&nbsp;</P><P>Any thoughts? Or ways to troubleshoot? I'm running:&nbsp;16.1.0 build-17198959</P><P>I have a few VMware network adaptors I have configured, one for each of the NIC's on my Host machine.&nbsp;</P> Thu, 21 Jan 2021 18:17:44 GMT https://communities.vmware.com/t5/VMware-Workstation-Pro/Host-networking-degraded-after-launching-a-virtual-machine/m-p/2824592#M168373 MagicalBeard 2021-01-21T18:17:44Z