MySQL - Server does not support 4-byte encoded UTF8 characters

Ever since the upgrade to the newer web servers, I haven't been able to get my asp.net pages to save data to my MySQL database. They all get the error:

ERROR [HY000] [MySQL][ODBC 5.2(w) Driver][mysqld-4.1.18-standard]Server does not support 4-byte encoded UTF8 characters.; myodbc5w.dll; at System.Data.Odbc.OdbcConnection.HandleError(OdbcHandle hrHandle, RetCode retcode)
at System.Data.Odbc.OdbcCommand.ExecuteReaderObject(CommandBehavior behavior, String method, Boolean needReader,...

MySQL - Server does not support 4-byte encoded UTF8 characters