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Zubair Alexander
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Mouse, Keyboard Issues in Hyper-V |
| Cursors turning to dots, weird keyboard behavior...what's going on? |
| by Zubair Alexander |
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4/1/2009 -- I usually use Remote Desktop Connection to connect to a Windows Server 2008 running Hyper-V. I then connect to a virtual machine from inside the Hyper-V Manager.
Today when I started my virtual machine session, I noticed that my mouse cursor had turned into a dot. I've tried to change the mouse cursor and even rebooted the virtual machine, but nothing seems to bring back my arrow cursor. Could one of the patches I installed have caused this problem?
Answer:
When you use Hyper-V Manager to connect to a virtual machine, the connection to the virtual machine is provided by Virtual Machine Connection. This is true whether you physically log in to the console of a server running Hyper-V and then connect to the virtual machine from Hyper-V Manager, or use a Remote Desktop Connection (RDC) to the server running Hyper-V like you do.
However, you should know that Microsoft doesn't support the Virtual Machine Connection within an RDC session. That's why you may experience a lack of mouse functionality and erratic keyboard behavior.
Note that I said "may" -- it doesn't happen all the time. You might use RDC for a long time and not experience any problems at all -- until one day when you suddenly encounter problems with your mouse or keyboard. There's really no consistency in this behavior. For example, I've noticed that when I use RDC like you do, one of my virtual machines turns the cursor into a dot while the other one works just fine.
A simple solution is to avoid using Virtual Machine Connection within an RDC session. In other words, do one of the following:
- Instead of using RDC to connect to the server running Hyper-V that's hosting the virtual machine, connect to the virtual machine directly using RDC. This is the method that I prefer.
- Instead of using RDC to connect to the server running Hyper-V, log in to the physical console of the server running Hyper-V (the RDC console session isn't good enough). You can then use Virtual Machine Connection to connect to the virtual machine like you usually do.
- A third option is to install Virtual Machine Connection on a Windows Server 2008 or Windows Vista SP1 computer and then connect to the virtual machine using a Virtual Machine Connection session.
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Zubair Alexander, MCSE, MCT, MCSA and Microsoft MVP is the founder of SeattlePro Enterprises, an IT training and consulting business. His experience covers a wide range of spectrum: trainer, consultant, systems administrator, security architect, network engineer, author, technical editor, college instructor and public speaker. Zubair holds more than 25 technical certifications and Bachelor of Science degrees in Aeronautics & Astronautics Engineering, Mathematics and Computer Information Systems. His Web site, www.techgalaxy.net, is dedicated to technical resources for IT professionals. Zubair may be reached at .
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