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Have look at this article <a href="http://social.technet.microsoft.com/Forums/windowsserver/en-US/999f218d-e8f9-42de-ab82-3d22bd5b67e9/hyperv-and-very-slow-network?forum=winserverhyperv" rel="ugc nofollow">http://social.technet.microsoft.com/Forums/windowsserver/en-US/999f218d-e8f9-42de-ab82-3d22bd5b67e9/hyperv-and-very-slow-network?forum=winserverhyperv</a>
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Have look at this article http://social.technet.microsoft.com/Forums/windowsserver/en-US/999f218d-e8f9-42de-ab82-3d22bd5b67e9/hyperv-and-very-slow-network?forum=winserverhyperv [http://social.technet.microsoft.com/Forums/windowsserver/en-US/999f218d-e8f9-42de-ab82-3d22bd5b67e9/hyperv-and-very-slow-network?forum=winserverhyperv]

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It was a malfunctional NIC in the server causing this.
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It was a malfunctional NIC in the server causing this.

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I need your help URGENTLY!!!<br />
<br />
I have just set up a new Dell PowerEdge Server for a customer.<br />
This server runs Server 2012 with the Hyper V role hosting a domain with 4 virtual Server 2012.<br />
<br />
My problem is, that copy operations from outside the server environment is EXTREMELY slow.<br />
<br />
If I copy a large folder between two of the virtual servers there are no problems.<br />
However if I try to copy between one of the old physical servers to one of the virtual servers I get transfer rates as low as 1 kb/sec.<br />
<br />
It is the same issue if I copy to/from a workstation in the LAN to/from one of the new virtual servers.<br />
<br />
I cant figure out what the problem is.
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I need your help URGENTLY!!!

I have just set up a new Dell PowerEdge Server for a customer.
This server runs Server 2012 with the Hyper V role hosting a domain with 4 virtual Server 2012.

My problem is, that copy operations from outside the server environment is EXTREMELY slow.

If I copy a large folder between two of the virtual servers there are no problems.
However if I try to copy between one of the old physical servers to one of the virtual servers I get transfer rates as low as 1 kb/sec.

It is the same issue if I copy to/from a workstation in the LAN to/from one of the new virtual servers.

I cant figure out what the problem is.

Network performance to/from 2012 Hyper-V server EXTREMELY slow!!!

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

The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.

Windows 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.

Hyper-V

Since 1984, Dell has been delivering technology to fit your life.
Dell is in Enterprise, Home Office and Consumer sectors of the market, supplying a broad range of customizable desktops, laptops, notebooks, servers, storage, and network devices.