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From Marty Godsey <>
Subject RE: Link Domain to LDAP
Date Fri, 14 Oct 2016 02:06:54 GMT
I have confirmed that when I am attempting to login with the user that is failing, or any user
in the group specified for that matter, the packets are not even hitting the domain controller.
I did a packet capture at the DC and logged in with a known AD user that is already configured
in another ACS domain. This ACS domain does not have any LDAP bindings just the "default"
LDAP settings. I was able to see my packets hit the DC and authenticate. When attempting to
log in from a user in the linked domain, no packets are seen.. Is there a service or a library
I need to check?

Marty Godsey

-----Original Message-----
From: Marty Godsey [] 
Sent: Thursday, October 13, 2016 9:37 PM
Subject: RE: Link Domain to LDAP

Whenever I try to bind to LDAP using the users credentials, its works.

root@cs3-mgmt:/var/log/cloudstack/management# ldapwhoami -vvv -h x.x.x.x -p 389 -D "CN=John
Doe,OU=test1,OU=test2,DC=mydomain,DC=com" -x -w Password1234!
ldap_initialize( ldap:// ) u:domain\john.doe
Result: Success (0)

If I also run an ldapsearch on this user, it is successful..

However upon trying to authenticate with the same credentials on the ACS screen, I receive
an incorrect password error. When I look in the log file all that is the following:

Authentication failure: {"loginresponse":{"uuidList":[],"errorcode":531,"errortext":"User
is not allowed CloudStack login"}}

I have recreated this domain and liked it to GROUP and OU. Nested groups is set to true in
the ldap settings.


Marty Godsey

-----Original Message-----
From: Rajani Karuturi []
Sent: Wednesday, October 12, 2016 3:01 AM
Subject: Re: Link Domain to LDAP

Yes, you can have LDAP configured at global and domain level.
Did you give fully qualified name of GROUP/OU while linking?

Easiest way to debug is to run the ldap query manually and see if it returns any results ldapsearch
-x -h hostname -p port "basedn" -s sub -D "username"
-w password

Also check that `ldap.provider` is set to correct value and there are direct users in the
Nested groups will only work with MicrosoftAD provider and with configuration `ldap.nested.groups.enable`
set to true.

There is a demo of the feature at

~ Rajani

On October 12, 2016 at 6:23 AM, Marty Godsey
( wrote:

I have an ACS 4.9 instance that runs well with no issues. I have enabled LDAP authentication
at the Global Level and this works without issue. The question I have is the "Link Domain
to LDAP"
function at the domain level. I have a domain that I want to auto sync. I added this sub domain
( lets call it ROOT/LDAPTest ) that I configured with the DN of the group I am wanting to
populate from (I also attempted this with the OU setting as well) and the user that was created
cannot authenticate nor are any of the test accounts in Active Directory being created in

I have LDAP configured globally and I also, as a test made the user part of the group I indicated
for "LDAP Accounts" and the user shows up, but the "Link Domain to LDAP" does not seem to
work. I tried looking in the logs and did not see any error or attempts to query Active Directory.

Is this a broken function? Can you have both globally set LDAP settings and "Link Domain to
LDAP" settings?

Marty Godsey
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