Setup for plugin is as follows:
Domain Name:  [BLANK]
Domain Controller:  [ldap_server_ip]:389

[4/23/13 11:03:05:166 EDT] 0000001f Authenticatio I   Login attempt failed
                                 org.acegisecurity.BadCredentialsException: Incorrect password for [uid_excluded] for=CN=[conn_string_excluded]: error=8007203A; nested exception is com4j.ComException: 8007203a The server is not operational. : The server is not operational.
 : .\invoke.cpp:517
	at hudson.plugins.active_directory.ActiveDirectoryAuthenticationProvider.retrieveUser(ActiveDirectoryAuthenticationProvider.java:109)
	at org.acegisecurity.providers.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:122)
	at org.acegisecurity.providers.ProviderManager.doAuthentication(ProviderManager.java:200)
	at org.acegisecurity.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:47)
	at org.acegisecurity.ui.webapp.AuthenticationProcessingFilter.attemptAuthentication(AuthenticationProcessingFilter.java:74)
	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:252)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
	at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
	at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:934)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:502)
	at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:181)
	at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3935)
	at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:276)
	at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:931)
	at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1592)
	at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:186)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:452)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:511)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:305)
	at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:83)
	at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
	at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
	at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
	at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
	at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
	at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
	at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1613)
Caused by: com4j.ComException: 8007203a The server is not operational. : The server is not operational.
 : .\invoke.cpp:517
	at com4j.Wrapper.invoke(Wrapper.java:166)
	at $Proxy73.openDSObject(Unknown Source)
	at hudson.plugins.active_directory.ActiveDirectoryAuthenticationProvider.retrieveUser(ActiveDirectoryAuthenticationProvider.java:101)
	... 45 more
Caused by: com4j.ComException: 8007203a The server is not operational. : The server is not operational.
 : .\invoke.cpp:517
	at com4j.Native.invoke(Native Method)
	at com4j.StandardComMethod.invoke(StandardComMethod.java:35)
	at com4j.Wrapper$InvocationThunk.call(Wrapper.java:340)
	at com4j.Task.invoke(Task.java:51)
	at com4j.ComThread.run0(ComThread.java:153)
	at com4j.ComThread.run(ComThread.java:134)