Category: Hyper-V

Hyper-V certificate expiration and resolution

If you see this: ‘VMName’ failed to initialize. Could not initialize machine remoting system. Error: ‘Unspecified error’ (0x80004005). Could not find a usable certificate. Error: ‘Unspecified error’ (0x80004005). Then this could be your answer: Symptoms and resolution: § You may be unable to start or connect to virtual machines running on Windows Server 2008 or… Continue reading Hyper-V certificate expiration and resolution

New Features in System Center Virtual Machine Manager 2008 R2

Of the new features coming in the R2 versions of Windows Server 2008 and SCVMM, I think these two are the obvious winners: Support for Live Migration: With Windows 2008 R2 adding support for Live migration, it’s now added as a new migration option in VMM R2. Live migration requires the source and destination host… Continue reading New Features in System Center Virtual Machine Manager 2008 R2

HyperV Integration Services: Fatal error during installation

I managed to convince the “powers that be” that we didn’t need to have a dual quad-core server with the capacity for 32GB of RAM to and connectivity to our SAN sitting around doing nothing until they occasionally use it for upgrade testing…  So I did a P2V (Physical to Virtual conversion) and shut down… Continue reading HyperV Integration Services: Fatal error during installation

Hyper-V performance

If you want to monitor performance in Hyper-V, you might like to check out this utility: If you use Hyper-V, or any OS virtualization platform, you know that you can’t trust the Windows Task Manager from inside the VMs to tell you squat.  Basically, the virtualization layer pulls the rug out from under the guest… Continue reading Hyper-V performance

Extend a Volume – Not enough space?

I was going to extend a volume on one of my Server 2008 Core machines, and it told me “there is not enough space to perform this action”… There was however enough space, but for some reason Microsoft Forefront decided that I shouldn’t be allowed to extend a volume remotely.   So I disabled the services… Continue reading Extend a Volume – Not enough space?

DHCP in Hyper-V Reference

We are currently considering moving one of our DHCP servers to a VM on Hyper-V.  I was looking for something else and saw this thread on the TechNet Forums, and I want to keep it for later reference: http://forums.technet.microsoft.com/en-US/winserverhyperv/thread/8004c699-1a22-4f33-9fcd-7271bfcaf74e