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Do you see this with small and large files?
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Do you see this with small and large files?

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I am running Hyper-V on a Windows 2008 R2 server. The Host server has 12 Hyper-V guests running on it. I have two 1GB NIC cards teamed together. One of the virtuals on this host is my agency's file server running Windows 2008 R2 as well. About three months ago I started noticing slow performance (ie 7 MB/sec) when trying to copy a file from this virtual file server to another physical server. I'm not seeing the same performance issues on the other virtuals on this host. Just this one. <br />
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How does one troubleshoot network performance issues of a virtual system?
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I am running Hyper-V on a Windows 2008 R2 server. The Host server has 12 Hyper-V guests running on it. I have two 1GB NIC cards teamed together. One of the virtuals on this host is my agency's file server running Windows 2008 R2 as well. About three months ago I started noticing slow performance (ie 7 MB/sec) when trying to copy a file from this virtual file server to another physical server. I'm not seeing the same performance issues on the other virtuals on this host. Just this one. 

How does one troubleshoot network performance issues of a virtual system?

Network Performance issues on Hyper-V Guest

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

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

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.