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Server 2012 LDAP

Posted on 2013-11-30
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Last Modified: 2013-12-07
I cannot get any LDAP browser to Authenticate with AD on a Windows 2012 Standard Server. I am not using LDAPS yet. I am simply trying to get things running on port 389 then will install certificate.

When I try to access using an LDAP browser (Currently Using Apache Directory Studio on MAC) I can connect, but then I go to Authenticate, get the following:

The authentication failed
  [LDAP: error code 49 - 8009030C: LdapErr: DSID-0C0903C5, comment: AcceptSecurityContext error, data 2030, v23f0]

I am currently on LAN subnet, accessing by IP only, firewall turned off on Server.

Any help or context would be greatly appreciated.
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Question by:timrudy
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Author Comment

by:timrudy
ID: 39687210
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LVL 14

Expert Comment

by:Ram Balachandran
ID: 39687215
Credentials are correct ? DC is up and running ?
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LVL 14

Expert Comment

by:Ram Balachandran
ID: 39687217
Also ensure user name with domain name
Say : testuser@mydomain.com
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LVL 14

Expert Comment

by:Ram Balachandran
ID: 39687222
Error code 2030 means that the DN of the user is invalid.

Please refer below link

http://stackoverflow.com/questions/3788841/authentication-using-ldap-against-adam-using-spring-security
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Author Comment

by:timrudy
ID: 39687224
I'm authenticating as DOMAIN\username

I tried with username@domain, username at domain.tld, username@domain.local

Get same error.
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Accepted Solution

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timrudy earned 0 total points
ID: 39689707
I never did get this to work with the LDS role on Exchange the way I described. It turns out I didn't need to. I simply pointed to the AD (DC) Controller on the same subnet instead, and viola, LDAP works - the way I expected. It wasn't clear to me that the reason that Microsoft recommends that you not run the LDAP role on a DC is that LDAP and LDAPS is already available on any DC without the LDS role being installed.
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Author Closing Comment

by:timrudy
ID: 39702860
Waste of time.
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