I have no idea how Kerberos works with MSSQL, but in general you would need a way to tell the driver which principal and keytab to use.... The DBCPConnectionPool does not have properties for this because it is driver specific and not part of the JDBC specification. The only way I could see the driver obtaining the information was if it was somehow passed in the connection URL, or if it looked for a JAAS config file set through a system property. ... View more