Monthly Archives: July 2013

Kerberos Live Migrations Fail with 0x80090322

I am testing HyperV migration between Server 2012 servers. I’ve set the migration to use Kerberos, and I have added the cifs and Microsoft Virtual System Migration delegation from Server1 to Server2. (And in reverse for migrations back if needed)

When I attempt to migrate from Server1 to Server2 I get the following error:

The eventlog on the server I am Migrating From has the following error:

The Kerberos client received a KRB_AP_ERR_MODIFIED error from the server Server1$. The target name used was Microsoft Virtual System Migration Service/Server2. This indicates that the target server failed to decrypt the ticket provided by the client. This
can occur when the target server principal name (SPN) is registered on an account other than the account the target service is using. Ensure that the target SPN is only registered on the account used by the server. This error can also happen if the target
service account password is different than what is configured on the Kerberos Key Distribution Center for that target service. Ensure that the service on the server and the KDC are both configured to use the same password. If the server name is not fully qualified,
and the target domain  is different from the client domain , check if there are identically named server accounts in these two domains, or use the fully-qualified name to identify the server.

I have verified that the SPNs for ‘HOST/Server2’ and ‘Microsoft System Virtual Migration Service/Server2’ exist in the attribute editor for the server I am migrating to. I have also verified that the firewall is off on both servers.


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