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Greetings! &nbsp; I running Hyper-V 2012 R2 on a Lenovo SystemX Server. &nbsp;16GB RAM, Xeon E3-1271 Process, RAID 10 Array. &nbsp; I'm running Hyper-V Host Role with 2 Virtual Machines. &nbsp; I'm using the on-board Broadcom NICs teamed for the Host and using a dual port Intel-I350 T2 NIC for the VMs. &nbsp; VM Queues are disabled on everything and I'm still getting painfully slow network access. &nbsp;One of the VMs is a DC that replaced an old physical 2003 DC and it took about 12 hours just to prep the forest when adding the ADDS role on the VM DC. &nbsp; I went to go start file migration and had to stop because it was just too darn slow. &nbsp; &nbsp; Anyone have any clue as to what may be going on? &nbsp;Even when I browse to the old 2003 DC/File Server using a UNC path its slow to come up. &nbsp;If I go to a client PC and browse to it it's normal.
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Greetings!   I running Hyper-V 2012 R2 on a Lenovo SystemX Server.  16GB RAM, Xeon E3-1271 Process, RAID 10 Array.   I'm running Hyper-V Host Role with 2 Virtual Machines.   I'm using the on-board Broadcom NICs teamed for the Host and using a dual port Intel-I350 T2 NIC for the VMs.   VM Queues are disabled on everything and I'm still getting painfully slow network access.  One of the VMs is a DC that replaced an old physical 2003 DC and it took about 12 hours just to prep the forest when adding the ADDS role on the VM DC.   I went to go start file migration and had to stop because it was just too darn slow.     Anyone have any clue as to what may be going on?  Even when I browse to the old 2003 DC/File Server using a UNC path its slow to come up.  If I go to a client PC and browse to it it's normal.

Painfully slow network access on Hyper-V 2012 R2 EVEN WITH VM Queues disabled

Microsoft Virtual Server was a virtualization solution that facilitated the creation of virtual machines on the Windows XP, Windows Vista and Windows Server 2003 operating systems. Virtual machines are created and managed through a web-based interface that relies on Internet Information Services (IIS) or through a Windows client application tool called VMRCplus. Features included Linux guest operating system support, Virtual Disk Precompactor, symmetric multiprocessing (SMP), x64 host operating system support, the ability to mount virtual hard drives on the host machine and additional operating systems support, including Windows Vista, and a volume shadow copy writer.

Microsoft Virtual Server

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

Virtualization is the act of creating a virtual (rather than actual) version of something, including (but not limited to) a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Virtualization is usually the creation of a system that executes separate from the underlying hardware resources, or the creation of an entire desktop for systems located elsewhere, similar to thin clients.

Virtualization

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.