moving from Oracle VM
since day one, we're never satisfied with Oracle VM. frequent crashes of the VMs and blades (we also use Oracle blades) prompted us to start investing in Hyper-V and IBM blades.the project hasn't...
View ArticleVHDX location doesn't support sharing
Hello everyone,I am getting the error: The storage where the virtual hard disk is located does not support virtual hard disk sharing. This error is shown when I edit a virtual machine in HyperV and...
View ArticleNeed Guidance - IPv6 on Guest VM's - Host Win Server 2012 R2
I am running windows server 2012 r2 x64 on my HOST server, I do have a real network with IPv4 configured manually running just fine and accessing the internet + 2x Virtual Network Adapter created by...
View ArticleExtending existing replica
Hi, I'm looking for advice on adding an extended replica to an existing replica setup, here's the existing setup.2 physical servers at 1 site each running Server 2012 Std with Hyper-V as the only role....
View ArticleDynamic memory allocation failure
Dear reader,We sometimes have a problem where our windows 2012 r2 RDS virtual servers, that reside on windows 2012r2 hyper-v hosts, loose their dynamic memory and only have their startup memory left to...
View ArticleHyper-V cluster with 2 nodes ( IBM Servers ) and 1 storage (IBM V3700) with...
I have 2 IBM servers + 1 storage with FC and i have 2 licences of Windows 2012 R2 std oem for servers.I need to configure Hyper-v cluster and VM's with that staff.how to start ? do i need install a...
View ArticleHyper-V manager asking password to connect to VM after adding FQDN
Hi,I`ve windows 2012 server with Hyper-V server installed. It is in workgroup and I added FQDN from registry because I didn`t want to restart it. The replication works perfectly well but when I try to...
View ArticleResizing VHDX Fixed Disk
I recently converted a Dynamic VHD disk that was 95GB in size(only uses 60GB inside the guest) and now as a fixed disk it is 170GB in size. How can I resize the newly created fixed disk to under 80GB...
View ArticleStopping-Critical
Hi there,I have a customer hyper-v guest server (Main), and whenever I try and shut it down, it does not shut down, instead it goes into a "Stopping-Critical" state, and just says there. The only way...
View ArticleCannot Reconnect avhd to parent manually
Hello,I have got a parent vhd file and a child avhd file which I am trying to manually merge. I have renamed the avhd file to vhd and then gone to edit disk in Hyper V to and tried to reconnect (merge...
View ArticleWindows Server 2012 NIC teaming primary member failure
Hello champs,This may sound like a basic query so please pardon my ignorance. Unfortunately, I am not able to find anything on the internet that would help me understand the following behaviour hence...
View Articleno free hard disk space left inside server 2012 R2 - using dynamic VHDX -...
Windows Server 2012 R2Hello,I created a 550GB dynamic VHDX running windows server 2012 R2 using Hyper-V.The problem is that there is no space left in the windows server 2012 R2. The actual space being...
View ArticleDL 380 Gen8 with Windows Server 2012 R2 Hyper-V Role NICS change
Hello there, we have a DL 380 Gen 8 Server installed via provisioning. ILO and 1 NIC is connected. When we open the network center we see 4 NICs with naming 1 -4. NIC has static IP. As soon as we...
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Win2012R2 VM internet access via WIFI fine but not through a client's Web...
Hi I have a number of VMs running on my win 8.1 laptop. They normally access the internet via the host WIFI in a bridged config. No real issues tho sometimes it takes a reboot to clear out any stale...
View ArticleVLAN Tagging
I have a 3 node hyper-v setup in cluster on Windows 2012 R2.My network team created 5 VLANs for each of the network traffic types for this implementation.We have a dedicated NIC for each traffic type.I...
View ArticleLive Migration issue after 1 migration
Hello,I have a brand new 2 node Hyper-V cluster built. Storage is presented via SAN. Live-Migration network, Public Network, Private Network and 2 VM-MGMT virtual switches. These boxes are identical...
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USB passthrogh
Hello!There's a guest VM (Windows Server 2012 R2, Generation2) on a Windows Server 2012 R2 host.I plug a usb device to the host and try to install a program from this device inside a VM (usb...
View ArticleHyper-V 2012R2 Manager doesn't work, but 5nine does!
Hey guys!Got a very weird one for ya! So the details: - Server 2012R2 Hyper-V Core - Microsoft remote management document followed to enable remote access - John Howard's HVRemote config utility run...
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HyperV Manager cannot connect to local server
Hi,My HyperV server (GUI) host has 3 virtual machines guests - all of them are critical servers, suddenly the host is unable to connect to local server and thus I am unable to manage 3 virtual...
View ArticleWhat are some best practices to follow when creating virtual switches on...
Usually I create one external virtual switch and apply it to all servers that need access to the Internet and LAN. I've seen other sysadmins create one virtual switch for each server even if all...
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