Hyper-V host crashes and has bug checks when you perform a VM live migration in Windows 8.1 and Windows Server 2012 R2


Microsoft has released the most important KB for Hyper-V related with VMQ,LBFO and LM

Consider the following scenario:

  • You have a Windows Server 2012 R2-based computer that is configured for one or more NIC teams by using Windows NIC Teaming (LBFO).
  • You have implemented Windows NIC Teaming (LBFO) in Switch Independent teaming mode by using Hyper-V Port or Dynamic Load Balancing mode. Additionally, you have correctly configured the NICs to use non-overlapping processors. (For more information, see Knowledge Base article 2974384).
  • A Hyper-V virtual switch is bound to one of the LBFO teams.
  • You start a virtual machine on the Hyper-V server, or you live migrate a virtual machine from one server to another server.

In this scenario, you experience one or more of the following issues:

Log Name: System
Source: Microsoft-Windows-Hyper-V-VmSwitch
Date: <DateTime> 
Event ID: 113
Task Category: None
Level: Error
Keywords:
User: SYSTEM
Computer: Server1.contoso.com
Description:
Failed to allocate VMQ for NIC EDCED345-4C96-4C75-92A0-0C4FC5688F73--35BEB899-5BE9-4128-900A-6FE0BBFC7B22
(Friendly Name: Network Adapter) on switch DE4F3664-68D9-4781-825B-882A540FAB08 (Friendly Name: VM Switch).
Reason - The OID failed. Status = {Operation Failed} The requested operation was unsuccessful.

Additionally, the Hyper-V VmSwitch may fail to allocate VMQ queues for virtual machines.

+ This KB solves the problem described here

Download

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