Hyper-V kills internet connection when bridging - hyper-v

I am using Hyper-V for the first time (running Windows 8). When I create a new virtual network switch, external, it bridges the VMs network adapter with the WiFi - and that for some reason kills the WiFi's internet connection. Why, and what could I be doing wrong?
Thanks,
A.

If you have VirtualBoxinstalled, check if any of the Hyper-V virtual adapters/bridge connection has the VirtualBox Bridged Networking Driver ticked in the connection properties. If they do, simply untick this service where it is present and this should fix it up for you. No need to uninstall VirtualBox.

I had a static ip-address in my ethernet adapter.
Removed the static entry.
Made my external virtual switch.
Had the extra vEthernet adapter, made my static entries (ip-address, dns-server) in this adapter.
Everything is working fine now.
Chris

I had the same problem, it takes a couple of seconds to setup the connection again. Check this tutorial: https://superuser.com/questions/469806/windows-8-hyper-v-how-to-give-vm-internet-access

I just ran into the same problem, losing the internet connection when creating the virtual switch. Uninstalling VirtualBox which I had installed at the same time fixed the problem for me (just disabling the VBox adapters was not enough), so they seem to be unable to happily coexist.

I ran into the same problem recently when creating an external switch in Hyper-V. Long story short, every time an external switch was created, it would bring my ethernet connection down on my host laptop. I had wifi connection option also but disabled it to just strictly troubleshoot the ethernet network adapter.
I brought down the VM, once turned off, deleted the external network adapter from hyper V virtual switch manager. On the host machine, disabled and re-enabled the network adapter from within network connections (ethernet). Once connected, I brought the VM back online FIRST, then created the external switch second which connected with no issues. Verified I was able to access outside world aka internet on both host and VM.

Maybe you unchecked by accident the Allow management OS to share this network adapter setting that is enabled by default. Disabling this setting will leave your hypervisor OS without network connectivity.

I was able to fix such an issue by disabling Internet sharing on the wireless adapter, creating an Internal virtual switch in Hyper-V first, then disabling VMWare bridge on all involved interfaces, then I made a bridge in Network sharing center by selecting my internal switch and Wi-Fi adapter and after that I was able to select external network in Virtual switch manager in Hyper-V

I ran into the same problem too. I don't know for sure, but after trying all of the solutions above and any others I could find, I renamed my virtual switch to 'realtek' (the type of network card I have installed) instead of taking the default name that I think was 'new virtual switch'. Something else I did may have solved the problem (I modified everything I could find for two days), but I think renaming it is what finally gave me internet access to the vm.

Related

Network card error while creating Solars 11 VM on hyper-v

I am trying to create Solaris 11 VM on hyper-v.
While installing Solaris I get following message:
No Network interface found , addition driver may be needed.
When installation is done , My IP is not configured in machine.
I found one link where same problem is mention but solution is not clear to me.
https://community.oracle.com/tech/apps-infra/discussion/4282130/solaris-11-4-installation-in-hyper-v
Any help is much appreciated.Thanks
You will need to open up VMWare Workstation, or your VMware app, Go to Settings for your VM, and look for "Network Adapter".
The default is NAT. If that doesn't work, try bridged, or cycle through the options to see if any are supported.
If that doesn't work, you may need to add a new network device. In that case, you will need to do this:
Select Window > Virtual Machine Library.
Select a virtual machine in the Virtual Machine Library window and click Settings.
Click Add Device.
Click Network Adapter.
Click Add.

Problems logging in to Azure from SSMS

I had this problem previously (but didn't know the cause) and had to reformat my machine to eliminate the problem. Now I a pretty sure I know the cause:
I have both a wired and wireless internet connection. If I unplug my wired connection I cannot use SSMS to connect (forcibly closed by the remote host) to my Azure database (even though the wireless connection to the internet is fine). I can still connect using sqlcmd over the wireless connection.
By simply plugging/unplugging the Ethernet cable I have confirmed that this is the problem. I have checked my firewall rule for 1433 and it is supposed to be interface independent.
I've tried turning Firewall off completely and forcing TCP in the SQL connection properties.
Has anyone else found this to be a problem and found a solution? Is there a way to specifically tell SSMS to communicate over a specific network interface? Otherwise, I will have to reformat my machine again (and never use a wired Ethernet cable, since it worked fine before I ever plugged in an Ethernet cable) to eliminate this problem.
My guess is that you may be fighting (unbeknownst to you) network protocols.
https://www.connectionstrings.com/define-sql-server-network-protocol/
in the above URL, find the section labeled "Network protocol codes"
"Network Library=dbmssocn"
The above network-library is the 'tcp' one..and is the most common (in 2019) version. (I started sql-server when named-pipes was the biggest player and learned the hard-way about network-protocols ! )
That is how you "force" a certain network protocol in a connection string.
You can also set this value in Sql Server Management Studio.
See here:
https://kb.intermedia.net/article/1893
Find the sentence
"2. If it does not work with default settings, go to Options > Connection Properties tab. And choose TCP/IP in the drop down menu for Network Protocol."
Try experimenting with that.
APPEND:
Your first two screen shots are really hard to read. You have alot of blue space. I'd suggest making your ssms window smaller, then taking the screen shot.
Are you using these credentials naming style?
myazuresqlservername.database.windows.net,1433
MyUserName#myazuresqlservername
Could it be this??
Impossible to connect to Azure SQL database with ipv6 address due to recent forced update from v11 to v12
Turns out this doesn't seem to be a problem with SSMS at all. Although Windows responded that I had the latest Network Driver, I discovered that the manufacturer had a new driver and that seems to have solved the problem.
http://support.killernetworking.com/knowledge-base/clean-install-killer-control-center/
Product Type Killer(R) Wireless-AC 1550 Wireless Network Adapter (9260NGW) 160MHz
Product Type Killer E2500 Gigabit Ethernet Controller
My Hardware:
Operating System: Windows 10 Pro 64-bit (10.0, Build 17763) (17763.rs5_release.180914-1434)
Language: English (Regional Setting: English)
System Manufacturer: Alienware
BIOS: 1.6.5 (type: UEFI)

Hyper-v VM shows 'Limited Connectivity' when using External Switch?

I have been trying to setup a Win7 VM on Hyper-v that connects to the internet through my Win 8 host machine.
I can't seem to figure out why the VM can't ever get passed limited connectivity. Any ideas?
NO sure why but all I had to do was Disable/enable the vEthernet adapter and everything worked great!
Check that you have a Virtual Switch with an "External Network" using the Virtual Switch Manager.
The other network types offer VM isolation. If your VM is on an "Private Network" it can only talk to other VMs on the server. The "Internal Network" allows VMs can talk to other VMs and to the host.
In contrast, an External Network allows the VM to contact machines on the network that the host is attached to.
I worked on this issue for a while myself after upgrading to Windows 8.1 and losing connectivity. Added and removed the adapter to no avail. The solution was to upgrade the VM's Integration Services.
I had the same issue because my DHCP settings on my guest VM was setup wrong.
So check the DHCP setting if they are on obtain automatically.
Control Panel\Network and Internet\Network Connections
Network adapter properties -> Internet Protocol Version 4 (TCP/IPv4) -> Properties ->
Obtain DNS server address automatically
I have had great success with Hyper-V and windows 8 and windows 10 virtuals using external switches with a Windows 8.1 host. Unfortunately I could not get the external switch to ever work on windows xp virtual running under Hyper-V. Instead, after reading a lot of sites/suggestions, I followed this guide to bridge an internal virtual switch (with Hyper-V legacy network adapter for XP) to the host wifi. I hope this saves someone else some time when working on an XP virtual.
Using Hyper-V with a Wireless Network Adapter

Can't set Network Adapter for Hyper-V machine

I have a windows 2008 Server with hyper-v enabled. I can't seem to load any network adapter into the virtual machine, it always says "Load Failed". Im really not sure what I'm doing wrong, or where to start.
Try to remove your network cards and re-connect them, I would also try to find updated drivers.
What type of card is it, It may not be supported.
Try adding a new virtual switch and select that one instead.
Here is how: http://www.eightforums.com/tutorials/19359-hyper-v-virtual-switch-manager.html
I write this just in case it can help someone, I had a similar problem, I wasn't able to see my network adapters in my windows server 2008 hyper-v machine, so the problem was the external switch couldn't be a normal one it has to be legacy external switch, so the steps I followed to resolve this were:
1- Create vm with windows server 2008 and not connected switch.
2- Goes to settings in my virtual machine an remove the not connected network adapter.
3- In settings add hardware - add legacy network adapter and connect to the external switch I had created.
And that's all. It should work like this.

How do you enable the network on a virtual machine running Vista x64?

I'm running Server 2008 64bit with Hyper-V. I've created a virtual machine with Vista 64bit and installed it. I can't get the Vista virtual machine to see the network adapter.
I've set-up an external network on the Virtual Network Manager (Hyper-V) and associated that with the virtual machine (Vista). I've also tried using a Legacy Network Adapter but that didn't work either although that time the Vista machine saw the network card but couldn't connect through it.
This is (obviously) the first time I've tried to set-up a virtual machine.
Any ideas?
EDIT: I notice that this question has been voted down a couple of times. I know that it's not a programming question but I'm a developer setting up a virtual machine to test my C#/ASP.NET code on and thought that other developers may hit this problem as well when they're doing this...
I don't know Hyper-V, but I know in VMWare you can create a network connection in Bridged mode (meaning the VM will get it's own IP address via DHCP if that's enabled) or host-only mode (meaning the VM can only communicate with the host). When Vista could see the card, could it communicate with the host machine (which would indicate a host-only connection was specified)? What kind of IP address did it have (I would guess Hyper-V has a built-in DHCP server like VMWare does?) -- that might give additional clues.
Sorry I don't know Hyper-V better...
Make sure you have the Hyper-V Tools installed on the Guest VM. You shouldn't need the legacy adapter.
You also may want to make sure you have all of the latest updates which may have addressed your issue. Particularly, KB950050
http://support.microsoft.com/kb/950050
It turns out that Vista x64 running as a VM through Hyper-V doesn't support the virtual network connection/card and that you have to set it up as a legacy network card. When I eventually got the config settings correct for the legacy network and disable the virtual network it connected.
Thanks for the help guys - much appreciated!