I have the same issue, installing SPLUNK 5.0.4 on a Windows 2k8 R2 server. authenticating to a Windows 2008 native domain.
Testing LDAP using LDAP Search v4.5 (from SecurityXploded)I can make a secure connection to the ldap server and return a list of users, however with exactly the same BIND account and base DN strings in Splunk I am getting "Error binding to LDAP. reason="Can't contact LDAP server"
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