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Monday, May 27, 2013

Unable to Add VHDX to Hyper-V Virtual Machine in Windows Server 2012 Hyper-V


Just encountered this problem after fully patched Windows Server 2012 Hyper-V.


  • Running failover cluster with Hyper-V installed
  • Created virtual machine and add virtual hard to the VM.
  • Some virtual hard disk can add but some failed to virtual hard disk to the VM.
  • Error message when add virtual hard disk:-



1. Found the solution, that we need to install with KB2836402 hotfix

2. Apply the hotfix

3. Reboot the Hyper-V host