0
votes
1answer
23 views

tomcat-webapp not accessible via port after windows-update

we are running 4 Virtual Machines on a MS HyperV Host. On one of the VMs (192.168.50.15) we have multiple Tomcat-Webapps on separate ports - 9010: Jenkins - 9020: Atlassian Jira - 9030: Wiki .. ...
0
votes
0answers
27 views

Linux on Hyper-v network errors

I have Hyper-V 2012 on HP DL320 G6 I've installed debian 7 i386 on, added two network adapters and configured it as router for my local network. I found out that sometimes wan interface generate ...
0
votes
1answer
30 views

Stand alone test domain controller and internet access

I've created a virtual machine (the VM is running Windows Server 2012 R2) using Hyper-V on my physical Windows 8.1 box for the purpose of testing Dynamics CRM 2013. This virtual machine is the domain ...
3
votes
1answer
301 views

Device eth0 does not seem to be present on new kernel with virtualization modules loaded/compiled on kernel 3.15.6

cat /etc/udev/rules.d/70-persistent-net.rules SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:15:5D:02:14:22", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" ...
1
vote
1answer
231 views

Hyper-v Virtual Network Switch Configuration

I have Hyper-v Running. What I am trying to do is setup a CentOS firewall box which will forward all traffic to the 2nd VM CentOS box which has an internal adapter and only seen by the 1st VM ...
0
votes
1answer
45 views

Connectivity between Windows 2012 VMs only possible with File & Printer Sharing

After trying everything I could find on the interwebs, the only way I could get two VMs on my Windows Server 2012 Hyper-V environment talking to each other was by enabling File & Printer Sharing ...
1
vote
1answer
117 views

Disabled Adapter sharing accidentally in Hyper-V on S2008R2 Std

A friend of mine with whom I share a dedicated server decided he'd play smart and install Hyper-V and try make some VMs, yeah that's all fine and dandy, until I watch him untick the "Allow management ...
4
votes
3answers
82 views

Virtualisation suitable for packet-intensive application?

We have a custom and VERY bespoke application that runs on a Windows 2008R2 server. It's primary function is to connect to many tens of thousands of IP addresses as quickly as possible and interrogate ...
0
votes
1answer
153 views

Why use a converged network design in Hyper-V?

I am reorienting myself to Hyper-V in its Windows Server 2012 R2 incarnation and have spent a fair bit of time reading Microsoft's Designing Your Cloud Infrastructure documentation. I am in the SME ...
2
votes
1answer
57 views

Hyper-V network dies after a few days of uptime

I have a Hyper-V server that randomly just drops off the internet in no specific pattern. It will go fine running five VMs that all have their own IPV4 in a /29 subnet. The host machine is on a ...
3
votes
3answers
212 views

Can a Hyper-V machine be made slower and/or emulate a slow network connection?

I need to reproduce an issue with a client-server asynchronous communication (a bunch of JavaScript AJAX vs. an OData api), seemingly caused by some race condition in the calculations when the server ...
1
vote
3answers
174 views

centos unable to access the internet

Problem Cannot access the internet. CentOS guest isn't receiving incoming traffic. Private network is fully accessible. Scratching my head here... I don't have this problem on ...
0
votes
0answers
279 views

Poor network performance when fileshare with CentOS on HyperV

I own Fujitsu Siemens server (TX100 I guess – I am not able to check this as I manage it remotely). I have got Windows 2008 Standard R2 sp1 installed. On this server I run Hyper-V and in it I have ...
4
votes
1answer
623 views

Unidentified Network for HyperV Internal Switch

I am trying to setup a HyperV internal switch for the guest OS on a Windows Server 2012 host. After creating the new Internal Switch through Virtual Switch Manager, I can see the virtual adapter under ...
1
vote
0answers
248 views

Debian 7 + Hyper-V and random network/DNS problems

Our department is *nix-based exclusively but unfortunately the company we're part of runs on a Windows environment and until I get budget for our own servers I have to run our servers on a Hyper-V ...
-6
votes
1answer
100 views

Different subnet range of ips are not working - windows server 2012 - virtual machine [closed]

ip , subnet , default gateway The main server is windows server 2012 and main ip is : 198.245.73.82 , 255.255.255.248 , 198.245.73.81 Now i have originally allocated ip range from my server ...
4
votes
2answers
864 views

Proper Hyper-V Network Configuration for Windows Server 2012?

We just put our first Hyper-V based web solution online about a month ago (Diagram below). We're having intermittent communication issues between Virtual Machines during periods of elevated traffic, ...
1
vote
1answer
306 views

Hyper-V, Linux . Can I install mouse and graphic integration? [closed]

I use windows server 2008r2 with role Hyper-V. The guest system is Ubuntu 12.04 LTC. There is local network between Ubuntu and other machines. EDIT The main problem for me is that my quest OS is ...
0
votes
1answer
95 views

Setup windows 2012 AD in Hyper-V for a Test environment

Im trying to setup a Windos 2012 R2 test environment on my work computer (a laptop). I have a AD, DHCP and DNS server on server A, and a client connecting to the doman and that works. The client can ...
2
votes
1answer
4k views

Hyper-V Virtual Ethernet Adapter not working probperly - Code 31 on Host

I have a Windows 8.1 machine with Hyper-V installed. From a "clean" Hyper-V configuration I open Virtual Switch Manager, create an External switch with "Allow management operating system to share this ...
-1
votes
2answers
173 views

Setting internet access to hyper-v network with multiple internet connections

I run few VMs for development purposes on Windows 8 Hyper-V. I'm using a laptop for that purpose. When I switch locations I switch way of connecting to internet - cable in the office, WiFi at home and ...
0
votes
1answer
2k views

Hyper-V: Guest external internet access

Following setup: Host machine has 1 physical NIC Host OS = Win Server 2008 R2 (hosted in data center) Guest OS = Win Home Server 2011 Network setup basically as described here or here. Goal: ...
0
votes
0answers
27 views

Can't connect to network machine by the name specified in the DNS

I have a virtual machine in Hyper-V using an external network switch. In the network there is a Windows 2008 R2 server which is DC, AD and DNS. In the vm IPV4 settings for the NIC I'm specifying the ...
0
votes
1answer
378 views

Configuring WSUS server to use NIC#1 (LAN#1) to push, NIC#2 (LAN#2) to sync

Oh boy... This should be easy, but my head is swimming. I work in two domain environments. My primary domain (LAN1) is completely offline, but has regular domain services (DC, DHCP, router (legacy, ...
0
votes
2answers
204 views

Networking in 2003 SP2 VM running under 2012 Standard Hyper-V, adapter failing

We had a 2003 SP2 Web/SQL Server VM running on a hosts hardware. The hosting company became unresponsive so we decided to move the VM. So far I have done the following: I used disk2vhd to create a ...
0
votes
2answers
1k views

Hyper V with local DNS and forwarding - nslookup works but ping gets general failure

I have a Hyper-V virtual machine configured with its own DNS manager and entries for testing. The VM DNS manager is setup to forward all other requests to the "regular" DNS servers. This all used to ...
1
vote
3answers
722 views

windows 2003 under Hyper-V - can't send/receive ping

I've installed Windows 2003 x64 R2 SP2 under Hyper-V (the Windows Pro 8 edition). I have a NIC configured but I can't move any traffic on it. In particular I can't send or receive Pings. Scoreboard ...
0
votes
1answer
307 views

Hyper-V Windows 8 redirect host network traffic to client VM

I have a Windows 8 pro machine running Hyper-V. This is a laptop with a LAN and a Wifi connection. As a consultant, when I'm on the customer's network, internet access is often limited for the ...
1
vote
1answer
55 views

Hyper-V Client for Microsoft Networks gone

I have an odd situation. I have a Hyper-V Baremetal Windows 2008 x64 (not R2) host with 4 VM's on it. I also have a server next door on the lan that is not a host just Windows2003x86 called ServerS2 ...
0
votes
1answer
257 views

Hyper-V VM on Windows 8 - No Network Access

I have a VM set up in Hyper-V and 2 virtual switches that SHOULD allow me to RDP to the VM and for the VM to have access to the internet. I can RDP to the VM, but the VM does NOT have access to the ...
7
votes
5answers
5k views

Extremely slow file transfers to Hyper-V VM on local machine

I am attempting to transfer a 1.3GB file from my local machine (Windows 8) to my local hyper-V instance (Windows 2012). The transfer begins at about 300kb/s and then swiftly drops to 12-20kb/s. The ...
0
votes
0answers
170 views

Cannot access Hyper-V machine via OpenVPN

We have an XP/SP3 Hyper-V machine running at Windows2012 Server. There is no problem to connect that virtual machine via mstsc or ping it from within our LAN. We have a branch in other city. They ...
1
vote
1answer
335 views

Hyper-V Server sends constant stream of DHCP requests causing DoS

I have a Hyper-V server that I think the networking components are misconfigured. Even when I've set a static IP address, the server sends a constant stream of DHCP Discover broadcasts (the physical ...
0
votes
1answer
258 views

SCVMM 2012 SP1 - “Isolate using Hyper-V network virtualization” grayed out

I want to create a VM Network which is isolated. But the option "Isolate using Hyper-V network virtualization" is grayed out. Why?
2
votes
1answer
2k views

How to dedicate a NIC to a VM in Hyper-V

I'm playing around with Hyper-V on a Windows Server 2012 machine. It has 3 NIC's. #0 is dedicated to the host, #1 is on a virtual switch with all VM's on it. I want NIC #2 to be dedicated to a ...
3
votes
1answer
1k views

What is the proper Hyper-V R2 with Teamed Broadcom BCM5709C NICs configuration (VMQ, TOE, LSO, CSO, etc.)?

I have a pair of Dell PowerEdge R710 servers (2x Xeon X5690s, 64GB, 8x BCM5709C NICs) running Windows Server 2008 R2 Datacenter. They're backed by a Dell PowerVault MD3200 with 3.6TB in RAID 10 ...
0
votes
3answers
3k views

Hyper-V VMs getting stuck at “Stopping”

I have a HP ProLiant MicroServer running Windows Server 2012. It has the Hyper-V role installed, and I have tried guest VMs running both Windows Server 2012 and 2008 R2. The issue I have is that on ...
3
votes
1answer
375 views

Hyper-V Virtual Machine Networking issues related to Max Ethernet Frame Size

I fixed an issue today earlier today but i'm interested in learning WHY it worked. We set up a new Hyper-V virtual machine only to discover that HTTP traffic wasn't working. HTTPS, pings, everything ...
0
votes
1answer
530 views

Certain clients (IP range) can not ping server

I just virtualized a Windows 2003 Server SP2 x32. The server contained our help desk server (Spiceworks) and our anti virus management server (ESET RAC). The host computer actually contained the ...
1
vote
1answer
415 views

Connecting guest OS to host os internet connection hyper-v

When configuring hyper-v internal switch, Apart from physical lan adapter (say adapter 1), I see another LAN adapter (say adapter 2) added in host os. And we already have one virtual lan adapter in ...
2
votes
2answers
397 views

No network after hyper v power outage

So I had a power outage yesterday and it was longer than my UPS's battery (over an hour). Anyhow, the hyper v server power went out. After the power outage I booted it up, but the networking ...
4
votes
1answer
315 views

Provide Internet connection to Virtual Machines on Hyper-V

Our Office LAN - 192.168.1.1/24 Gateway - 192.168.1.5 (A Microsoft ISA 2006 Server) DNS - 192.168.1.4 (DC) We are having Hyper-V server running and there are several Virtual Machines on that server. ...
7
votes
3answers
349 views

Is dedicated one NIC to a virtualized DC overkill?

Host Server: Dual Xeon E5530's 24 GB Ram 4x 1GB NIC's (operating at 100MB because of 100MB maanged switch) Server 2008 R2 Enterprise with Hyper-V Role + BackupExec 2012 backing up to NAS ...
1
vote
2answers
3k views

Hyper-V can't work external network

I setup my Hyper-V under Windows 2008 R2 Standard. But i can´t access internet (network) in virtualized machines. First. I setup the hyper-v using this manual ...
5
votes
2answers
2k views

How to configure teaming, teamed VLANs, and hyper-v?

I have two VLANs on my network. VLAN 100 for users in the office, and VLAN 10 for visitors/guests. Neither VLAN has access to the other, and each has its own internet connection. However, I want to ...
0
votes
0answers
382 views

Ubuntu Server on Hyper-V, can't connect to virtual LAN

I've set up a virtual server on Hyper-V running latest Ubuntu 12.04. The server has two identical NICs set up as legacy devices in Hyper-V, the first connected to the physical network of the Hyper V, ...
1
vote
2answers
256 views

Office network and guest network - manage with separate physical servers or a VM on the office server?

I have a beefy server (dual Xenon & 16GB RAM with RAID5) I use as the domain controller and file server for an office network on a dedicated internet connection. I also have a guest network with ...
0
votes
1answer
137 views

Hyper V VMs will randomly lose network access

Windows Server 2008 R2 - Hyper V has 3 VMs and randomly (sometimes days apart or weeks) a VM will lose the network connection. By lose I mean that a limited connectivity message appears over the VM's ...
0
votes
1answer
120 views

hyper v - private network , ip , vpn

How are ip generated in a "private" network in hyper v ? context : i want to configure a windows vpn server (connected to this private network AND to the internet) so the vpn clients are in the ...
1
vote
1answer
1k views

Hyper V internal network with internet access

I was wondering if this is possible. I would like to setup an internal virtual network, with internet access. I'm trying to create a lab environment for some testing. Nothing in the Lab Environment ...