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Questions tagged [hyper-v-server-2012-r2]

199 questions
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1 answer

Virtual Machine will not turn on due to missing resource. How do I find out what is missing?

Today I had a power outage and switches went out. This for some reason caused my cluster to freak out (something to look into later) and one of my VMs did not start back up. After looking into why it would not start up I found that the BIN and VSV…
Arvo Bowen
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1 answer

Hyper-v core can see network devices but network devices can't see Hyper-v core

Having a little issue with Hyper-v core. Network set up, connected directly to main router, I can ping all devices successfully from the Hyper-v cmd but can not ping the Hyper-v box from any other device. Any ideas? Running Hyper-v 2012 r2
Chris
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3 answers

How to properly sync time for 3 Hyper-V machines, with Host NOT on domain of the VMs?

I understand that for production use, if you have a Hyper-V Domain Controller VM, and the host is on the domain as well, you should have the DC VM reach out to an external source for date/time, and then in turn other machines will sync up to that DC…
ravl13
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1 answer

VM with more than 8 GE interfaces?

I have a Hyper-V environment with more than 8 VLANs, and I need to have a VM with an interface in each VLAN (a virtual firewall). Apparently I cannot create a VM with more than 8 "Network Interface"s, and have to resort adding "Legacy network…
Vesper
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1 answer

Hyper-V Manager "RPC service unavailable"

In an Active Directory domain and flat network environment, running Hyper-V Manager as the same administrative user account: On at least 2 Windows 10 PCs and trying to connect to: 1a. Any of the 10 Hyper-V Server 2012 R2 servers fails with error…
mythofechelon
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1 answer

Setting merged checkpoint as Now checkpoint in Hyper-V

I'm using Hyper-V 2012 and I've had some checkpoints, which I've merged up until the last before merging it into the original .vhdx disk. I have 2 files now, a merged .avhdx of all the previous checkpoints and a .vhdx which is the disk. I still…
Rapsoulis
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1 answer

Hyper-V VMs sometimes freeze after backup

I'm having issues with a Hyper-V host (2012 R2 Datacenter, patched to June 2017 Rollup level). Here's a bit of general information on the configuration: Host It's a standalone host, domain joined (DC is not a guest). It is a full 2012 R2…
tacito
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2 answers

Configuring NAT on a Hyper-V Server 2012 R2

I have a Hyper-V Server 2012 R2 installed (because it's free). I have 2 virtual machines on this server, an Ubuntu Server (vLS) and a Windows Server (vWS). I only have 1 external IP address for the host machine, so the virtual machines are on an…
vinczemarton
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hyper-v fails to enable live migration

I'm trying to enable live migration on my Windows 2012 R2 hyper-v server, and it keeps failing. When I try through the GUI, I get an error that says "Error applying Live Migration changes. Failed to modify service settings." If I try to enable it…
Scott Ivey
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1 answer

How to configure unpluged NICs on Hyper-V Server

I am installing a new host server based on Hyper-V server. Currently it has a network cable plugged-in and four more free network interfaces (including one ILO). When I start the server and reach the blue command line screen, I can just configure IP…
kankamuso
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2 answers

Blank iSCSI targets but targets still active

I have a Windows server 2012 R2 core server running Hyper-v with iSCSI attachments. Many months ago I configured the iSCSI connections and everything was working fine. I recently went to add an additional connection however when i opened the iSCSI…
Dave
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2 answers

Is it possible to change the location of the *.avhdx files in Hyper-V

I'm running Windows Server 2012 R2. Is it possible to change the location of the *.avhdx files created when creating a Checkpoint? I have changed the "Checkpoint file location" in the VM-configuration, but the *.avhdx-files still shows up in the…
Bassebus
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VM Viewer cannot open console: "A connection will not be made because credentials may not be sent to the remote computer"

since some time - after we installed the latest Windows Updates on the Hyper-V hosts - we are having serious issues opening the remote console of a VM running on the Hyper-V hosts. Scenario: Clients are Windows 7 + all Windows Updates on a…
Mr.Tom
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1 answer

After making my VM highly available I get "Could not find Ethernet switch" error when trying to live migrate

I normally create new VMs from the Failover Cluster Manager GUI. But this time around I went a different route because I had to (due to time constraints and available resources at the time). For this one VM I had to create it on cluster node1…
Arvo Bowen
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