Hyper-V console dropping when using a VM

FN-GM · 01-12-2009, 04:12 PM

Hi,

I get the following when i try to use all VM's on our hyper v server. Does anyone have any ideas?

I have done the following:
Bios Update
All Driver updates
Windows updates
Re-create the virtual machine
Remove all AV
Disable firewall

The network connection is fine and working perfect.

The host and virtual machine is Windows Server 2008 R2 Enterprise. Its on a Dell Poweredge 2950 using 16GB Ram.

Any ideas please?

Thanks

Z

ZeroHour · 01-12-2009, 06:03 PM

I take it you have a single link to the network on the physical?
does a ping -t show any dropouts when it happens?
Can you ever connect?

FN-GM · 01-12-2009, 06:19 PM

The network is perfect. Each VM and the host has its own nic and it works fine

ZeroHour · 01-12-2009, 07:19 PM

Its more I have heard about issues with the physicals having 2 nics plugged in more then anything and random packets could be lost (thus the ping test)
Does the console work at all?

tmcd35 · 01-12-2009, 07:25 PM

I think ZeroHour is correct. I've had similar problems with VS2005R2 with multiple NIC's. Is the console connecting to the server via IP address or domain name? If it's the domain name, have you tried using the IP, if so do you get the same problem?

Are the additional cards registering their IP with DNS (they shouldn't be) and when you look under the cards properties is Windows Networking listed (again shouldn't be)? The additional cards should be issolated so only the connected VM's traffic goes accross them.

Arthur · 02-12-2009, 12:19 AM

Sound a bit similar to this problem, but probably unrelated.

YouTube- Hyper-V Remote Console Disconnects During Live Migration

FN-GM · 02-12-2009, 12:19 PM

Weird, not touched a thing since yesterday and this morning it works perfect

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		EduGeek.net Forums > Technical > Windows Server 2008 R2
Hyper-V console dropping when using a VM

01-12-2009, 06:03 PM	#2
ZeroHour Join Date: Dec 2005 Location: Scotland Posts: 3,063 Thanks: 317 Thanked 471 Times in 247 Posts Blog Entries: 1 Rep Power: 103	I take it you have a single link to the network on the physical? does a ping -t show any dropouts when it happens? Can you ever connect?

01-12-2009, 06:19 PM	#3
FN-GM Join Date: Jun 2007 Location: Rochdale, Lancashire Posts: 7,841 Thanks: 272 Thanked 507 Times in 460 Posts Rep Power: 106	The network is perfect. Each VM and the host has its own nic and it works fine

01-12-2009, 07:19 PM	#4
ZeroHour Join Date: Dec 2005 Location: Scotland Posts: 3,063 Thanks: 317 Thanked 471 Times in 247 Posts Blog Entries: 1 Rep Power: 103	Its more I have heard about issues with the physicals having 2 nics plugged in more then anything and random packets could be lost (thus the ping test) Does the console work at all?

01-12-2009, 07:25 PM	#5
tmcd35 Join Date: Jul 2005 Location: Norfolk Posts: 2,061 Thanks: 255 Thanked 241 Times in 214 Posts Blog Entries: 9 Rep Power: 59	I think ZeroHour is correct. I've had similar problems with VS2005R2 with multiple NIC's. Is the console connecting to the server via IP address or domain name? If it's the domain name, have you tried using the IP, if so do you get the same problem? Are the additional cards registering their IP with DNS (they shouldn't be) and when you look under the cards properties is Windows Networking listed (again shouldn't be)? The additional cards should be issolated so only the connected VM's traffic goes accross them.

02-12-2009, 12:19 PM	#7
FN-GM Join Date: Jun 2007 Location: Rochdale, Lancashire Posts: 7,841 Thanks: 272 Thanked 507 Times in 460 Posts Rep Power: 106	Weird, not touched a thing since yesterday and this morning it works perfect

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Hyper-V console dropping when using a VM