It concerns the following: I have a cmp Entity bean written with the following CMP fields: personalNr(schluessel), name and first name. with test have I the problem. When I start the Persistent name server, wars I the following error: [01.11.21 08:33:19:593 GMT+01:00] 7255 ManagedServer E Version : 3.5.0 [01.11.21 08:33:19:783 GMT+01:00] 7255 ManagedServer E Edition: advanced [01.11.21 08:33:19:954 GMT+01:00] 7255 ManagedServer E Build date: Sat Jul 29 00:00:00 GMT+02:00 2000 [01.11.21 08:33:19:954 GMT+01:00] 7255 ManagedServer E Build number: q0030.12 [01.11.21 08:33:44:108 GMT+01:00] 7255 PortabilityLa W Unrecognized database or driver "sun.jdbc.odbc.JdbcOdbcDriver"; using generic settings [01.11.21 08:33:46:912 GMT+01:00] 7255 PortabilityLa W Unrecognized database or driver "ACCESS"; using generic settings [01.11.21 08:33:47:463 GMT+01:00] 7255 CreateNsTable W Failed to create tables java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Syntaxfehler in CREATE TABLE-Anweisung. java.lang.Throwable(java.lang.String) java.lang.Exception(java.lang.String) java.sql.SQLException(java.lang.String, java.lang.String, int) java.sql.SQLException sun.jdbc.odbc.JdbcOdbc.createSQLException(int, int, int) void sun.jdbc.odbc.JdbcOdbc.standardError(short, int, int, int) void sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(int, java.lang.String) boolean sun.jdbc.odbc.JdbcOdbcStatement.execute(java.lang.String) int sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(java.lang.String) void com.ibm.ejs.cm.portability.PortabilityLayerImpl.createTable(java.sql.Connection, java.lang.String, java.lang.String, java.lang.String) void com.ibm.ejs.cm.pool.ConnectO.createTable(java.lang.String, java.lang.String, java.lang.String) void com.ibm.ejs.cm.proxy.ConnectionProxy.createTable(java.lang.String, java.lang.String, java.lang.String) void com.ibm.ejs.ns.CosNaming.CreateNsTables.dbInit(javax.sql.DataSource, java.lang.String, boolean) javax.naming.Context com.ibm.ejs.ns.CosNaming.NameServer.init(org.omg.CORBA.ORB, boolean, javax.sql.DataSource, java.lang.String, boolean, boolean) void com.ibm.ejs.sm.server.ManagedServer.initializeNameService(com.ibm.ejs.sm.server.RuntimeConfig) void com.ibm.ejs.sm.server.ManagedServer.initializeRuntime(com.ibm.ejs.sm.server.RuntimeConfig) void com.ibm.ejs.server.EJServer.start() void com.ibm.ivj.control.tools.internal.EJSServer.startEJS(java.lang.String []) boolean com.ibm.ivj.control.node.NameServerRunner.startServer() void com.ibm.ivj.control.node.NameServerRunner.main(java.lang.String []) java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object [])