求救：hibernate连接sql server 2000问题

配置：
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName">
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>
</property>
<property name="url">
<value>jdbc:microsoft:sqlserver://localhost:1433</value>
</property>
<property name="username">
<value>sa</value>
</property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/cs/bean/TCustomer.hbm.xml</value>
<value>com/cs/bean/TOrder.hbm.xml</value>
<value>com/cs/bean/TOrderItem.hbm.xml</value>
<value>com/cs/bean/TProduct.hbm.xml</value>
<value>com/cs/bean/TUser.hbm.xml</value>
</list>
</property>
</bean>错误：
org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; Cannot create JDBC driver of class 'com.microsoft.jdbc.sqlserver.SQLServerDriver' for connect URL '
jdbc:microsoft:sqlserver://localhost:1433
'; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create JDBC driver of class 'com.microsoft.jdbc.sqlserver.SQLServerDriver' for connect URL '
jdbc:microsoft:sqlserver://localhost:1433
'
org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.translate(SQLStateSQLExceptionTranslator.java:97)
org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.translate(SQLErrorCodeSQLExceptionTranslator.java:258)
org.springframework.orm.hibernate3.HibernateAccessor.convertJdbcAccessException(HibernateAccessor.java:424)
org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:411)
org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:371)
org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:844)
org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:836)
com.cs.dao.CustomerDao.findCustomerAll(CustomerDao.java:12)
com.cs.service.CustomerService.findCustomerAll(CustomerService.java:21)
com.cs.struts.action.CustomerListAction.execute(CustomerListAction.java:39)
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)