This is what I got in my debug log, hopefully it helps:
2008.04.15 11:56:22 LdapManager: In LdapManager.checkAuthentication(userDN, password), userDN is: CN=“Veronica Yager”,OU=“3t Sales & Marketing”,OU=“3t Systems”,OU=“Big Tree Inc.”…
2008.04.15 11:56:22 LdapManager: Created context values, attempting to create context…
2008.04.15 11:56:22 LdapManager: Caught a naming exception when creating InitialContext
javax.naming.AuthenticationException: LDAP: error code 49 - 80090308: LdapErr: DSID-0C090334, comment: AcceptSecurityContext error, data 52e, vece
at com.sun.jndi.ldap.LdapCtx.mapErrorCode(Unknown Source)
at com.sun.jndi.ldap.LdapCtx.processReturnCode(Unknown Source)
at com.sun.jndi.ldap.LdapCtx.processReturnCode(Unknown Source)
at com.sun.jndi.ldap.LdapCtx.connect(Unknown Source)
at com.sun.jndi.ldap.LdapCtx.<init>(Unknown Source)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(Unknown Source)
at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(Unknown Source)
at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(Unknown Source)
at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(Unknown Source)
at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
at javax.naming.InitialContext.init(Unknown Source)
at javax.naming.InitialContext.<init>(Unknown Source)
at javax.naming.directory.InitialDirContext.<init>(Unknown Source)
at org.jivesoftware.openfire.ldap.LdapManager.checkAuthentication(LdapManager.java :463)
at org.jivesoftware.openfire.ldap.LdapAuthProvider.authenticate(LdapAuthProvider.j ava:111)
at org.jivesoftware.openfire.auth.AuthFactory.authenticate(AuthFactory.java:155)
at org.jivesoftware.openfire.net.XMPPCallbackHandler.handle(XMPPCallbackHandler.ja va:86)
at org.jivesoftware.openfire.sasl.SaslServerPlainImpl.evaluateResponse(SaslServerP lainImpl.java:112)
at org.jivesoftware.openfire.net.SASLAuthentication.handle(SASLAuthentication.java :230)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:147)
at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:132)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:570)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.common.IoFilterAdapter.messageReceived(IoFilterAdapter.java:80)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:58)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:180)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :239)
at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:283)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at java.lang.Thread.run(Unknown Source)