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what vmnic are you trying to remove and why ?<br />
<br />
can you upload a screenshot of your networking ?
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what vmnic are you trying to remove and why ?

can you upload a screenshot of your networking ?

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it is vmnic0 on 1g. &nbsp;we're adding a 10g vmnic1. &nbsp;vmnic0 has the vmkerner0 and vmotion/mgmt on it and most of the vm port groups. &nbsp;we trying to move off the 1g but then when removing that 1g vmnic0 it gets that error.
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it is vmnic0 on 1g.  we're adding a 10g vmnic1.  vmnic0 has the vmkerner0 and vmotion/mgmt on it and most of the vm port groups.  we trying to move off the 1g but then when removing that 1g vmnic0 it gets that error.

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have you added the vmnic1 to the same vSwitch ?<br />
<br />
and then later move vmnic0 to standby/unused?<br />
<br />
and complete this by connecting direct to the ESXi host or do it on the console.
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have you added the vmnic1 to the same vSwitch ?

and then later move vmnic0 to standby/unused?

and complete this by connecting direct to the ESXi host or do it on the console.

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Thx andrew. &nbsp;I will do the direct console. &nbsp;but usually what is the best way to move a vm port group over from a 1G to 10G connection?
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Thx andrew.  I will do the direct console.  but usually what is the best way to move a vm port group over from a 1G to 10G connection?

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okay gotcha. &nbsp;thx u andrew.
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I am getting error when I try to remove it from GUI in vCenter:<br />
<br />
Network configuration change disconnected the host 'server.com' from vCenter server and has been rolled back.<br />
&nbsp;A change in the network configuration disconnected the host 'server.com' from vCenter Server. The change has been rolled back.
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I am getting error when I try to remove it from GUI in vCenter:

Network configuration change disconnected the host 'server.com' from vCenter server and has been rolled back.
 A change in the network configuration disconnected the host 'server.com' from vCenter Server. The change has been rolled back.

cannot remove vmnic

vCenter

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.