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Hyper-V 2012 Live migration fails, quick migration works

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Hi.

My Environment is two 2012 Hyper-V (Datacentre) servers, clustered. These servers have different hardware but the network cards are named the same. When I do a quick migration it works perfectly but when I do a live migration it fails both ways with the errors below. Cluster validation does not show significant errors.

I have had a look at this article but cannot figure out how to check the spn's or get this fixed. Any help will be appreciated thanks.

http://social.technet.microsoft.com/Forums/en-US/winserverhyperv/thread/968cf45f-fd6f-4ce1-a402-40a5cb425399/

Live migration of 'Virtual Machine OFF003' failed.

Virtual machine migration operation for 'OFF003' failed at migration source 'HPV003'. 
(Virtual machine ID 2FDE8951-A9DA-4A93-B410-CEF0CDDAE755)

The Virtual Machine Management Service failed to establish a connection for a Virtual Machine migration with host 'HPV002': 
The specified target is unknown or unreachable (0x80090303).

The Virtual Machine Management Service failed to authenticate the connection for a Virtual Machine migration at the source host: 
The specified target is unknown or unreachable (0x80090303).

Live migration of 'Virtual Machine OFF003' failed.

Virtual machine migration operation for 'OFF003' failed at migration source 'VHPV002'. (Virtual machine ID 2FDE8951-A9DA-4A93-B410-CEF0CDDAE755)

The Virtual Machine Management Service failed to establish a connection for a Virtual Machine migration with host 'HPV003': 
The specified target is unknown or unreachable (0x80090303).

The Virtual Machine Management Service failed to authenticate the connection for a Virtual Machine migration at the source host: 
The specified target is unknown or unreachable (0x80090303).


Best Regards, Morris Fury AFRIDATA.net



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