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Networking configuration on the host.<br />
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You need to logon to the host and at the console check host networking
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Systems Administrator

Top Doc

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in the vswitchs you need to enable share interface with host on at least one of the nics. &nbsp;otherwise you will lose connectivity to the host but retain it to the vm's. &nbsp;(I have done that tons of times :) )
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Networking in Hyper-v is different than most people think. &nbsp;There are one or more virtual switches in the hyper-visor and the &quot;host&quot; is just another OS. &nbsp; It needs a physical adapter with an IP address or a virtual adapter &quot;plugged in&quot; to a virtual switch. And the host firewall won't impact VMs so the host firewall can be configured to block ICMP and RDP while guests would work just fine.
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Thanks for your comments and quick response.<br />
<br />
@Cliff Galiher - I have no firewalls turned on. And nothing based on any config that I have done over the past week has changed. And previously I was able to remote to the host Just fine.<br />
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@Sean Bravener - I am already allowing the management OS to share the network adapter<br />
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@Andrew - where would I check for host networking?
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log in to the physical host hyper-v server &nbsp;(ctrl-alt-del).<br />
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and check Control Panel &gt;&nbsp;Networking.<br />
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Do you know how this Hyper-V server is configured ?
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Team,<br />
<br />
Sorry for the delayed response.<br />
<br />
I had as a last resort before trying any of the above suggestions, I did a reboot of the server and that resolved the problem.
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Hi,<br />
<br />
I have a Dell PowerEdge R430 server with Broadcom Network Adapter, Server 2012 R2 OS.<br />
I am unable to ping or remote to the physical server, but strangely the VMs hosted on it are fine and I can reach them.<br />
<br />
Any idea as to the cause and possible solutions?
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Hi,

I have a Dell PowerEdge R430 server with Broadcom Network Adapter, Server 2012 R2 OS.
I am unable to ping or remote to the physical server, but strangely the VMs hosted on it are fine and I can reach them.

Any idea as to the cause and possible solutions?

What would cause me to be Unable to Ping or Remote to Dell R40 Hyper-v Host, but able to Reach Hosted VMs

Servers are computing devices that are similar to desktop computers in that they have the same basic components, but are significantly different in size, configuration and purpose. Servers are usually accessed over a network, and many run unattended, without a computer monitor, input device, audio hardware or USB interfaces. Many servers do not have a graphical user interface (GUI), and are configured and managed remotely. Servers typically include hardware redundancy such as dual power supplies, RAID disk systems, and ECC memory, along with extensive pre-boot memory testing and verification. Critical components might be hot swappable, and to guard against overheating, servers might have more powerful fans or use water cooling.

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Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.

Windows Server 2012

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Hyper-V is a native hypervisor; it can create virtual machines on x86-64 systems and supersedes Windows Virtual PC as the hardware virtualization component of the client editions of Windows NT. A server computer running Hyper-V can be configured to expose individual virtual machines to one or more networks. Hyper-V Server supports remote access via Remote Desktop Connection. Administration and configuration of the host OS and the guest virtual machines is generally done over the network.