"Converting data type varchar to datetime data type has created a value out of range" on CRM 2011 RU 12 setup

Hi,

I am installing UR12 on an on-premises Dynamics CRM 2011 server (with UR6 installed) but I am getting this error:

Continuing with other orgs Exception: System.Data.SqlClient.SqlException (0x80131904): The conversion of a type.. varchar data to datetime data type has created a value out of range. Converting data type varchar to datetime data type has created a value out of range. The statement has been terminated. "

Both Dynamics CRM Server and SQL Server (2008 SP1) are Windows Server 2008 R2 in Italian language.

What can I do to fix this?

Thanks

Luca