Vista - RE: 2008 can"t ping Hyper-V clients and vice versa.

11-11-2008

Quote:

> I had an issue with my hyper-v virtuals all not being able to ping the 2008
> host.
> Not sure how long it was like this, but I found out when I tried to grab a
> file off the 2008 box and couldn't.
>
> it had me stumped, because I work on the 2008 box, and all the virtuals it
> hosts - remotely - from my desktop, I could ping each and every one of them.
>
> but there was no network communication between the virtuals and the 2008 box
> they sat on.
>
> my first thought was that I must have done something to the network config
> of hyper-v - I hadn't.
>
> It turned out that I had disabled the network in 2008 somehow.
> now this was new to me, I haven't used 2008 much, nor am I a vista guy.
>
> in XP or 2003 I had but one network connection and it was either on or it
> wasn't
> in 2008 with hyper-v - defining a network in hyper-v - even if it's just
> connecting externally through the hosts nic - creates a new network
> connection in 2008.
>
> to get to this, start-control panel- network and sharing center then click
> 'manage network connections' I had one there that was disabled - I think that
> happend via some pop up in response to something else I had done earlier that
> day.
>
> Hope this helps save someone some time!

I have WS 2008 enterprise x64. I am running 32bit Server 2003 std on an local hyper-v session. The hyper-v session can get to the outside world (external network settings in hyper-v manager), along with internal servers (file print, shares, etc). I am assuming that i should be able to see this witout setting the network to Internal yes? However, I can't ping or get to the parent 2008 server via IP or Name. I am trying to configure usb-over-network and they can't see eachother. I have done a few things people have commented on to fix this, but no success please help.

Thanks,
David

Posted via http://www.VirtualServerFaq.com - Brought to you by Business Information Technology Shop - http://www.bitshop.com

11-11-2008

> I have WS 2008 enterprise x64. I am running 32bit Server 2003 std on an

Quote:

> local hyper-v session. The hyper-v session can get to the outside world
> (external network settings in hyper-v manager), along with internal
> servers (file print, shares, etc). I am assuming that i should be able to
> see this witout setting the network to Internal yes? However, I can't
> ping or get to the parent 2008 server via IP or Name. I am trying to
> configure usb-over-network and they can't see eachother. I have done a
> few things people have commented on to fix this, but no success please
> help.
>
> Thanks,
> David
>
> Posted via http://www.VirtualServerFaq.com - Brought to you by Business
> Information Technology Shop - http://www.bitshop.com

Networking is pretty much the same whether you are using physical or
virtual machines or networks. The networking protocols are still the same.
They cannot tell the difference.

First check that the machines are in the same network. Is the NIC in the
vm connected to the external network (ie the one linked to the physical NIC
in the host)?

Next do an ipconfig /all on both the host and guest and check that they
are in the same IP subnet. Check that TCP/IP is actually working in the
guest by pinging its own IP address.

If the guest can ping itself but not the host, check if the host can
ping the guest. If it works that way but not guest to host, enable ICMP echo
in the firewall settings of the host.

11-11-2008	#1 (permalink)
David n/a posts	RE: 2008 can"t ping Hyper-V clients and vice versa. Quote: > I had an issue with my hyper-v virtuals all not being able to ping the 2008 > host. > Not sure how long it was like this, but I found out when I tried to grab a > file off the 2008 box and couldn't. > > it had me stumped, because I work on the 2008 box, and all the virtuals it > hosts - remotely - from my desktop, I could ping each and every one of them. > > but there was no network communication between the virtuals and the 2008 box > they sat on. > > my first thought was that I must have done something to the network config > of hyper-v - I hadn't. > > It turned out that I had disabled the network in 2008 somehow. > now this was new to me, I haven't used 2008 much, nor am I a vista guy. > > in XP or 2003 I had but one network connection and it was either on or it > wasn't > in 2008 with hyper-v - defining a network in hyper-v - even if it's just > connecting externally through the hosts nic - creates a new network > connection in 2008. > > to get to this, start-control panel- network and sharing center then click > 'manage network connections' I had one there that was disabled - I think that > happend via some pop up in response to something else I had done earlier that > day. > > Hope this helps save someone some time! I have WS 2008 enterprise x64. I am running 32bit Server 2003 std on an local hyper-v session. The hyper-v session can get to the outside world (external network settings in hyper-v manager), along with internal servers (file print, shares, etc). I am assuming that i should be able to see this witout setting the network to Internal yes? However, I can't ping or get to the parent 2008 server via IP or Name. I am trying to configure usb-over-network and they can't see eachother. I have done a few things people have commented on to fix this, but no success please help. Thanks, David Posted via http://www.VirtualServerFaq.com - Brought to you by Business Information Technology Shop - http://www.bitshop.com
My System Specs

11-11-2008	#2 (permalink)
Bill Grant n/a posts	Re: 2008 can"t ping Hyper-V clients and vice versa. > I have WS 2008 enterprise x64. I am running 32bit Server 2003 std on an Quote: > local hyper-v session. The hyper-v session can get to the outside world > (external network settings in hyper-v manager), along with internal > servers (file print, shares, etc). I am assuming that i should be able to > see this witout setting the network to Internal yes? However, I can't > ping or get to the parent 2008 server via IP or Name. I am trying to > configure usb-over-network and they can't see eachother. I have done a > few things people have commented on to fix this, but no success please > help. > > Thanks, > David > > Posted via http://www.VirtualServerFaq.com - Brought to you by Business > Information Technology Shop - http://www.bitshop.com Networking is pretty much the same whether you are using physical or virtual machines or networks. The networking protocols are still the same. They cannot tell the difference. First check that the machines are in the same network. Is the NIC in the vm connected to the external network (ie the one linked to the physical NIC in the host)? Next do an ipconfig /all on both the host and guest and check that they are in the same IP subnet. Check that TCP/IP is actually working in the guest by pinging its own IP address. If the guest can ping itself but not the host, check if the host can ping the guest. If it works that way but not guest to host, enable ICMP echo in the firewall settings of the host.
My System Specs

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